Home / 1,572,084.40-2,167,279.68-1,329,393.28

Finding the Fourth Proportional to 1,572,084.40, 2,167,279.68 and 1,329,393.28

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Solution

The fourth proportional to 1,572,084.40, 2,167,279.68 and 1,329,393.28 is: 1,832,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,084.40 : 2,167,279.68 = 1,329,393.28 : x
  2. Step 2: Convert to fraction form
    1,572,084.40/2,167,279.68 = 1,329,393.28/x
  3. Step 3: Cross multiply
    1,572,084.40x = 2,167,279.68 × 1,329,393.28
  4. Step 4: Simplify right side
    1,572,084.40x = 2,881,167,042,472.55
  5. Step 5: Solve for x
    x = 2,881,167,042,472.55/1,572,084.40
  6. Step 6: Final answer
    x = 1,832,705.06

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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.