Home / 1,418,466.80-2,127,991.80-472,516.40

Finding the Fourth Proportional to 1,418,466.80, 2,127,991.80 and 472,516.40

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Solution

The fourth proportional to 1,418,466.80, 2,127,991.80 and 472,516.40 is: 708,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,466.80 : 2,127,991.80 = 472,516.40 : x
  2. Step 2: Convert to fraction form
    1,418,466.80/2,127,991.80 = 472,516.40/x
  3. Step 3: Cross multiply
    1,418,466.80x = 2,127,991.80 × 472,516.40
  4. Step 4: Simplify right side
    1,418,466.80x = 1,005,511,024,565.52
  5. Step 5: Solve for x
    x = 1,005,511,024,565.52/1,418,466.80
  6. Step 6: Final answer
    x = 708,871.74

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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.