Home / 999,135.60-1,498,703.40-493,501.20

Finding the Fourth Proportional to 999,135.60, 1,498,703.40 and 493,501.20

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Solution

The fourth proportional to 999,135.60, 1,498,703.40 and 493,501.20 is: 740,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,135.60 : 1,498,703.40 = 493,501.20 : x
  2. Step 2: Convert to fraction form
    999,135.60/1,498,703.40 = 493,501.20/x
  3. Step 3: Cross multiply
    999,135.60x = 1,498,703.40 × 493,501.20
  4. Step 4: Simplify right side
    999,135.60x = 739,611,926,344.08
  5. Step 5: Solve for x
    x = 739,611,926,344.08/999,135.60
  6. Step 6: Final answer
    x = 740,251.80

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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.