Home / 1,039,793.90-1,559,690.85-998,459.60

Finding the Fourth Proportional to 1,039,793.90, 1,559,690.85 and 998,459.60

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Solution

The fourth proportional to 1,039,793.90, 1,559,690.85 and 998,459.60 is: 1,497,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,793.90 : 1,559,690.85 = 998,459.60 : x
  2. Step 2: Convert to fraction form
    1,039,793.90/1,559,690.85 = 998,459.60/x
  3. Step 3: Cross multiply
    1,039,793.90x = 1,559,690.85 × 998,459.60
  4. Step 4: Simplify right side
    1,039,793.90x = 1,557,288,302,214.66
  5. Step 5: Solve for x
    x = 1,557,288,302,214.66/1,039,793.90
  6. Step 6: Final answer
    x = 1,497,689.40

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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.