Home / 1,407,385.96-1,942,372.49-787,225.59

Finding the Fourth Proportional to 1,407,385.96, 1,942,372.49 and 787,225.59

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Solution

The fourth proportional to 1,407,385.96, 1,942,372.49 and 787,225.59 is: 1,086,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,385.96 : 1,942,372.49 = 787,225.59 : x
  2. Step 2: Convert to fraction form
    1,407,385.96/1,942,372.49 = 787,225.59/x
  3. Step 3: Cross multiply
    1,407,385.96x = 1,942,372.49 × 787,225.59
  4. Step 4: Simplify right side
    1,407,385.96x = 1,529,085,329,440.02
  5. Step 5: Solve for x
    x = 1,529,085,329,440.02/1,407,385.96
  6. Step 6: Final answer
    x = 1,086,471.92

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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.