Home / 1,489,390.20-2,234,171.70-424,510.20

Finding the Fourth Proportional to 1,489,390.20, 2,234,171.70 and 424,510.20

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Solution

The fourth proportional to 1,489,390.20, 2,234,171.70 and 424,510.20 is: 636,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,390.20 : 2,234,171.70 = 424,510.20 : x
  2. Step 2: Convert to fraction form
    1,489,390.20/2,234,171.70 = 424,510.20/x
  3. Step 3: Cross multiply
    1,489,390.20x = 2,234,171.70 × 424,510.20
  4. Step 4: Simplify right side
    1,489,390.20x = 948,428,675,201.34
  5. Step 5: Solve for x
    x = 948,428,675,201.34/1,489,390.20
  6. Step 6: Final answer
    x = 636,789.93

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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.