Home / 1,371,592.68-1,892,777.90-759,743.40

Finding the Fourth Proportional to 1,371,592.68, 1,892,777.90 and 759,743.40

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Solution

The fourth proportional to 1,371,592.68, 1,892,777.90 and 759,743.40 is: 1,048,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,592.68 : 1,892,777.90 = 759,743.40 : x
  2. Step 2: Convert to fraction form
    1,371,592.68/1,892,777.90 = 759,743.40/x
  3. Step 3: Cross multiply
    1,371,592.68x = 1,892,777.90 × 759,743.40
  4. Step 4: Simplify right side
    1,371,592.68x = 1,438,025,517,190.86
  5. Step 5: Solve for x
    x = 1,438,025,517,190.86/1,371,592.68
  6. Step 6: Final answer
    x = 1,048,434.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.