Home / 1,005,159.76-1,387,082.40-575,479.84

Finding the Fourth Proportional to 1,005,159.76, 1,387,082.40 and 575,479.84

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Solution

The fourth proportional to 1,005,159.76, 1,387,082.40 and 575,479.84 is: 794,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,159.76 : 1,387,082.40 = 575,479.84 : x
  2. Step 2: Convert to fraction form
    1,005,159.76/1,387,082.40 = 575,479.84/x
  3. Step 3: Cross multiply
    1,005,159.76x = 1,387,082.40 × 575,479.84
  4. Step 4: Simplify right side
    1,005,159.76x = 798,237,957,618.82
  5. Step 5: Solve for x
    x = 798,237,957,618.82/1,005,159.76
  6. Step 6: Final answer
    x = 794,140.38

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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.