Home / 1,030,202.19-1,421,683.10-571,359.40

Finding the Fourth Proportional to 1,030,202.19, 1,421,683.10 and 571,359.40

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Solution

The fourth proportional to 1,030,202.19, 1,421,683.10 and 571,359.40 is: 788,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,202.19 : 1,421,683.10 = 571,359.40 : x
  2. Step 2: Convert to fraction form
    1,030,202.19/1,421,683.10 = 571,359.40/x
  3. Step 3: Cross multiply
    1,030,202.19x = 1,421,683.10 × 571,359.40
  4. Step 4: Simplify right side
    1,030,202.19x = 812,292,003,006.14
  5. Step 5: Solve for x
    x = 812,292,003,006.14/1,030,202.19
  6. Step 6: Final answer
    x = 788,478.23

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Double scale
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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.