Home / 1,371,807.80-2,057,711.70-425,468.60

Finding the Fourth Proportional to 1,371,807.80, 2,057,711.70 and 425,468.60

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Solution

The fourth proportional to 1,371,807.80, 2,057,711.70 and 425,468.60 is: 638,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,807.80 : 2,057,711.70 = 425,468.60 : x
  2. Step 2: Convert to fraction form
    1,371,807.80/2,057,711.70 = 425,468.60/x
  3. Step 3: Cross multiply
    1,371,807.80x = 2,057,711.70 × 425,468.60
  4. Step 4: Simplify right side
    1,371,807.80x = 875,491,716,202.62
  5. Step 5: Solve for x
    x = 875,491,716,202.62/1,371,807.80
  6. Step 6: Final answer
    x = 638,202.90

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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.