Home / 1,023,451.34-1,534,520.09-424,825.70

Finding the Fourth Proportional to 1,023,451.34, 1,534,520.09 and 424,825.70

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Solution

The fourth proportional to 1,023,451.34, 1,534,520.09 and 424,825.70 is: 636,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,451.34 : 1,534,520.09 = 424,825.70 : x
  2. Step 2: Convert to fraction form
    1,023,451.34/1,534,520.09 = 424,825.70/x
  3. Step 3: Cross multiply
    1,023,451.34x = 1,534,520.09 × 424,825.70
  4. Step 4: Simplify right side
    1,023,451.34x = 651,903,564,787.78
  5. Step 5: Solve for x
    x = 651,903,564,787.78/1,023,451.34
  6. Step 6: Final answer
    x = 636,965.86

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1.5x scale

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.