Home / 1,053,980.73-1,581,265.40-423,337.41

Finding the Fourth Proportional to 1,053,980.73, 1,581,265.40 and 423,337.41

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Solution

The fourth proportional to 1,053,980.73, 1,581,265.40 and 423,337.41 is: 635,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,980.73 : 1,581,265.40 = 423,337.41 : x
  2. Step 2: Convert to fraction form
    1,053,980.73/1,581,265.40 = 423,337.41/x
  3. Step 3: Cross multiply
    1,053,980.73x = 1,581,265.40 × 423,337.41
  4. Step 4: Simplify right side
    1,053,980.73x = 669,408,796,841.93
  5. Step 5: Solve for x
    x = 669,408,796,841.93/1,053,980.73
  6. Step 6: Final answer
    x = 635,124.32

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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.