Home / 1,150,588.80-1,587,807.36-667,434.24

Finding the Fourth Proportional to 1,150,588.80, 1,587,807.36 and 667,434.24

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Solution

The fourth proportional to 1,150,588.80, 1,587,807.36 and 667,434.24 is: 921,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,588.80 : 1,587,807.36 = 667,434.24 : x
  2. Step 2: Convert to fraction form
    1,150,588.80/1,587,807.36 = 667,434.24/x
  3. Step 3: Cross multiply
    1,150,588.80x = 1,587,807.36 × 667,434.24
  4. Step 4: Simplify right side
    1,150,588.80x = 1,059,756,998,588.01
  5. Step 5: Solve for x
    x = 1,059,756,998,588.01/1,150,588.80
  6. Step 6: Final answer
    x = 921,056.24

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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.