Home / 1,254,011.28-1,730,642.29-710,243.80

Finding the Fourth Proportional to 1,254,011.28, 1,730,642.29 and 710,243.80

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Solution

The fourth proportional to 1,254,011.28, 1,730,642.29 and 710,243.80 is: 980,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,011.28 : 1,730,642.29 = 710,243.80 : x
  2. Step 2: Convert to fraction form
    1,254,011.28/1,730,642.29 = 710,243.80/x
  3. Step 3: Cross multiply
    1,254,011.28x = 1,730,642.29 × 710,243.80
  4. Step 4: Simplify right side
    1,254,011.28x = 1,229,177,944,285.87
  5. Step 5: Solve for x
    x = 1,229,177,944,285.87/1,254,011.28
  6. Step 6: Final answer
    x = 980,196.88

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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.