Home / 1,256,460-1,885,294.80-625,428.96

Finding the Fourth Proportional to 1,256,460, 1,885,294.80 and 625,428.96

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Solution

The fourth proportional to 1,256,460, 1,885,294.80 and 625,428.96 is: 938,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,460 : 1,885,294.80 = 625,428.96 : x
  2. Step 2: Convert to fraction form
    1,256,460/1,885,294.80 = 625,428.96/x
  3. Step 3: Cross multiply
    1,256,460x = 1,885,294.80 × 625,428.96
  4. Step 4: Simplify right side
    1,256,460x = 1,179,117,966,057.41
  5. Step 5: Solve for x
    x = 1,179,117,966,057.41/1,256,460
  6. Step 6: Final answer
    x = 938,444.49

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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.