Home / 1,762,170.80-2,431,944.27-987,789.20

Finding the Fourth Proportional to 1,762,170.80, 2,431,944.27 and 987,789.20

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Solution

The fourth proportional to 1,762,170.80, 2,431,944.27 and 987,789.20 is: 1,363,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,170.80 : 2,431,944.27 = 987,789.20 : x
  2. Step 2: Convert to fraction form
    1,762,170.80/2,431,944.27 = 987,789.20/x
  3. Step 3: Cross multiply
    1,762,170.80x = 2,431,944.27 × 987,789.20
  4. Step 4: Simplify right side
    1,762,170.80x = 2,402,248,272,748.16
  5. Step 5: Solve for x
    x = 2,402,248,272,748.16/1,762,170.80
  6. Step 6: Final answer
    x = 1,363,232.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.