Home / 1,403,687.29-2,105,531.13-338,729.35

Finding the Fourth Proportional to 1,403,687.29, 2,105,531.13 and 338,729.35

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Solution

The fourth proportional to 1,403,687.29, 2,105,531.13 and 338,729.35 is: 508,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,687.29 : 2,105,531.13 = 338,729.35 : x
  2. Step 2: Convert to fraction form
    1,403,687.29/2,105,531.13 = 338,729.35/x
  3. Step 3: Cross multiply
    1,403,687.29x = 2,105,531.13 × 338,729.35
  4. Step 4: Simplify right side
    1,403,687.29x = 713,205,178,848.36
  5. Step 5: Solve for x
    x = 713,205,178,848.36/1,403,687.29
  6. Step 6: Final answer
    x = 508,094.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.