Home / 1,254,020.25-1,730,654.64-710,252.76

Finding the Fourth Proportional to 1,254,020.25, 1,730,654.64 and 710,252.76

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Solution

The fourth proportional to 1,254,020.25, 1,730,654.64 and 710,252.76 is: 980,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,020.25 : 1,730,654.64 = 710,252.76 : x
  2. Step 2: Convert to fraction form
    1,254,020.25/1,730,654.64 = 710,252.76/x
  3. Step 3: Cross multiply
    1,254,020.25x = 1,730,654.64 × 710,252.76
  4. Step 4: Simplify right side
    1,254,020.25x = 1,229,202,234,666.81
  5. Step 5: Solve for x
    x = 1,229,202,234,666.81/1,254,020.25
  6. Step 6: Final answer
    x = 980,209.24

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Double scale
Find fourth proportional to 1,254,021.25, 1,730,656.02 and 710,253.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.