Home / 1,507,438.64-2,079,332.42-991,251.96

Finding the Fourth Proportional to 1,507,438.64, 2,079,332.42 and 991,251.96

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Solution

The fourth proportional to 1,507,438.64, 2,079,332.42 and 991,251.96 is: 1,367,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,438.64 : 2,079,332.42 = 991,251.96 : x
  2. Step 2: Convert to fraction form
    1,507,438.64/2,079,332.42 = 991,251.96/x
  3. Step 3: Cross multiply
    1,507,438.64x = 2,079,332.42 × 991,251.96
  4. Step 4: Simplify right side
    1,507,438.64x = 2,061,142,331,860.28
  5. Step 5: Solve for x
    x = 2,061,142,331,860.28/1,507,438.64
  6. Step 6: Final answer
    x = 1,367,314.25

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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.