Home / 865,463.72-1,297,035.17-673,569.87

Finding the Fourth Proportional to 865,463.72, 1,297,035.17 and 673,569.87

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Solution

The fourth proportional to 865,463.72, 1,297,035.17 and 673,569.87 is: 1,009,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,463.72 : 1,297,035.17 = 673,569.87 : x
  2. Step 2: Convert to fraction form
    865,463.72/1,297,035.17 = 673,569.87/x
  3. Step 3: Cross multiply
    865,463.72x = 1,297,035.17 × 673,569.87
  4. Step 4: Simplify right side
    865,463.72x = 873,643,804,989.73
  5. Step 5: Solve for x
    x = 873,643,804,989.73/865,463.72
  6. Step 6: Final answer
    x = 1,009,451.68

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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.