Home / 1,581,436.55-2,371,799.10-727,689.26

Finding the Fourth Proportional to 1,581,436.55, 2,371,799.10 and 727,689.26

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Solution

The fourth proportional to 1,581,436.55, 2,371,799.10 and 727,689.26 is: 1,091,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,436.55 : 2,371,799.10 = 727,689.26 : x
  2. Step 2: Convert to fraction form
    1,581,436.55/2,371,799.10 = 727,689.26/x
  3. Step 3: Cross multiply
    1,581,436.55x = 2,371,799.10 × 727,689.26
  4. Step 4: Simplify right side
    1,581,436.55x = 1,725,932,731,947.67
  5. Step 5: Solve for x
    x = 1,725,932,731,947.67/1,581,436.55
  6. Step 6: Final answer
    x = 1,091,370.21

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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.