Home / 1,436,341.20-1,982,134.72-782,952.91

Finding the Fourth Proportional to 1,436,341.20, 1,982,134.72 and 782,952.91

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Solution

The fourth proportional to 1,436,341.20, 1,982,134.72 and 782,952.91 is: 1,080,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,341.20 : 1,982,134.72 = 782,952.91 : x
  2. Step 2: Convert to fraction form
    1,436,341.20/1,982,134.72 = 782,952.91/x
  3. Step 3: Cross multiply
    1,436,341.20x = 1,982,134.72 × 782,952.91
  4. Step 4: Simplify right side
    1,436,341.20x = 1,551,918,140,123.32
  5. Step 5: Solve for x
    x = 1,551,918,140,123.32/1,436,341.20
  6. Step 6: Final answer
    x = 1,080,466.22

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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.