Home / 998,707.90-1,498,061.85-662,784.70

Finding the Fourth Proportional to 998,707.90, 1,498,061.85 and 662,784.70

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Solution

The fourth proportional to 998,707.90, 1,498,061.85 and 662,784.70 is: 994,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,707.90 : 1,498,061.85 = 662,784.70 : x
  2. Step 2: Convert to fraction form
    998,707.90/1,498,061.85 = 662,784.70/x
  3. Step 3: Cross multiply
    998,707.90x = 1,498,061.85 × 662,784.70
  4. Step 4: Simplify right side
    998,707.90x = 992,892,473,833.70
  5. Step 5: Solve for x
    x = 992,892,473,833.70/998,707.90
  6. Step 6: Final answer
    x = 994,177.05

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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.