Home / 1,680,047.16-2,520,065.94-417,874.78

Finding the Fourth Proportional to 1,680,047.16, 2,520,065.94 and 417,874.78

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Solution

The fourth proportional to 1,680,047.16, 2,520,065.94 and 417,874.78 is: 626,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,047.16 : 2,520,065.94 = 417,874.78 : x
  2. Step 2: Convert to fraction form
    1,680,047.16/2,520,065.94 = 417,874.78/x
  3. Step 3: Cross multiply
    1,680,047.16x = 2,520,065.94 × 417,874.78
  4. Step 4: Simplify right side
    1,680,047.16x = 1,053,072,000,262.99
  5. Step 5: Solve for x
    x = 1,053,072,000,262.99/1,680,047.16
  6. Step 6: Final answer
    x = 626,810.98

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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.