Home / 998,526.40-1,497,789.60-620,612.80

Finding the Fourth Proportional to 998,526.40, 1,497,789.60 and 620,612.80

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Solution

The fourth proportional to 998,526.40, 1,497,789.60 and 620,612.80 is: 930,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,526.40 : 1,497,789.60 = 620,612.80 : x
  2. Step 2: Convert to fraction form
    998,526.40/1,497,789.60 = 620,612.80/x
  3. Step 3: Cross multiply
    998,526.40x = 1,497,789.60 × 620,612.80
  4. Step 4: Simplify right side
    998,526.40x = 929,547,397,466.88
  5. Step 5: Solve for x
    x = 929,547,397,466.88/998,526.40
  6. Step 6: Final answer
    x = 930,919.20

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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.