Home / 1,331,840.40-1,998,052.20-532,921.20

Finding the Fourth Proportional to 1,331,840.40, 1,998,052.20 and 532,921.20

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Solution

The fourth proportional to 1,331,840.40, 1,998,052.20 and 532,921.20 is: 799,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,840.40 : 1,998,052.20 = 532,921.20 : x
  2. Step 2: Convert to fraction form
    1,331,840.40/1,998,052.20 = 532,921.20/x
  3. Step 3: Cross multiply
    1,331,840.40x = 1,998,052.20 × 532,921.20
  4. Step 4: Simplify right side
    1,331,840.40x = 1,064,804,376,086.64
  5. Step 5: Solve for x
    x = 1,064,804,376,086.64/1,331,840.40
  6. Step 6: Final answer
    x = 799,498.48

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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.