Home / 1,187,180.31-1,772,174.22-1,043,531.32

Finding the Fourth Proportional to 1,187,180.31, 1,772,174.22 and 1,043,531.32

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Solution

The fourth proportional to 1,187,180.31, 1,772,174.22 and 1,043,531.32 is: 1,557,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,180.31 : 1,772,174.22 = 1,043,531.32 : x
  2. Step 2: Convert to fraction form
    1,187,180.31/1,772,174.22 = 1,043,531.32/x
  3. Step 3: Cross multiply
    1,187,180.31x = 1,772,174.22 × 1,043,531.32
  4. Step 4: Simplify right side
    1,187,180.31x = 1,849,319,288,988.04
  5. Step 5: Solve for x
    x = 1,849,319,288,988.04/1,187,180.31
  6. Step 6: Final answer
    x = 1,557,740.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.