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Finding the Fourth Proportional to 1,604,366.48, 2,404,930.28 and 1,005,748.13

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Solution

The fourth proportional to 1,604,366.48, 2,404,930.28 and 1,005,748.13 is: 1,507,606.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,366.48 : 2,404,930.28 = 1,005,748.13 : x
  2. Step 2: Convert to fraction form
    1,604,366.48/2,404,930.28 = 1,005,748.13/x
  3. Step 3: Cross multiply
    1,604,366.48x = 2,404,930.28 × 1,005,748.13
  4. Step 4: Simplify right side
    1,604,366.48x = 2,418,754,114,836.98
  5. Step 5: Solve for x
    x = 2,418,754,114,836.98/1,604,366.48
  6. Step 6: Final answer
    x = 1,507,606.99

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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.