Home / 996,149.80-1,492,854.15-426,849.40

Finding the Fourth Proportional to 996,149.80, 1,492,854.15 and 426,849.40

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Solution

The fourth proportional to 996,149.80, 1,492,854.15 and 426,849.40 is: 639,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,149.80 : 1,492,854.15 = 426,849.40 : x
  2. Step 2: Convert to fraction form
    996,149.80/1,492,854.15 = 426,849.40/x
  3. Step 3: Cross multiply
    996,149.80x = 1,492,854.15 × 426,849.40
  4. Step 4: Simplify right side
    996,149.80x = 637,223,898,215.01
  5. Step 5: Solve for x
    x = 637,223,898,215.01/996,149.80
  6. Step 6: Final answer
    x = 639,686.82

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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.