Home / 1,098,578.80-1,646,639.40-467,385.20

Finding the Fourth Proportional to 1,098,578.80, 1,646,639.40 and 467,385.20

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Solution

The fourth proportional to 1,098,578.80, 1,646,639.40 and 467,385.20 is: 700,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,578.80 : 1,646,639.40 = 467,385.20 : x
  2. Step 2: Convert to fraction form
    1,098,578.80/1,646,639.40 = 467,385.20/x
  3. Step 3: Cross multiply
    1,098,578.80x = 1,646,639.40 × 467,385.20
  4. Step 4: Simplify right side
    1,098,578.80x = 769,614,885,296.88
  5. Step 5: Solve for x
    x = 769,614,885,296.88/1,098,578.80
  6. Step 6: Final answer
    x = 700,555.01

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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.