Home / 1,680,052.16-2,520,073.44-417,879.78

Finding the Fourth Proportional to 1,680,052.16, 2,520,073.44 and 417,879.78

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Solution

The fourth proportional to 1,680,052.16, 2,520,073.44 and 417,879.78 is: 626,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,052.16 : 2,520,073.44 = 417,879.78 : x
  2. Step 2: Convert to fraction form
    1,680,052.16/2,520,073.44 = 417,879.78/x
  3. Step 3: Cross multiply
    1,680,052.16x = 2,520,073.44 × 417,879.78
  4. Step 4: Simplify right side
    1,680,052.16x = 1,053,087,734,691.04
  5. Step 5: Solve for x
    x = 1,053,087,734,691.04/1,680,052.16
  6. Step 6: Final answer
    x = 626,818.48

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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.