Home / 1,458,314.10-2,187,471.15-393,463.80

Finding the Fourth Proportional to 1,458,314.10, 2,187,471.15 and 393,463.80

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Solution

The fourth proportional to 1,458,314.10, 2,187,471.15 and 393,463.80 is: 590,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,314.10 : 2,187,471.15 = 393,463.80 : x
  2. Step 2: Convert to fraction form
    1,458,314.10/2,187,471.15 = 393,463.80/x
  3. Step 3: Cross multiply
    1,458,314.10x = 2,187,471.15 × 393,463.80
  4. Step 4: Simplify right side
    1,458,314.10x = 860,690,711,069.37
  5. Step 5: Solve for x
    x = 860,690,711,069.37/1,458,314.10
  6. Step 6: Final answer
    x = 590,195.70

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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.