Home / 918,311.64-1,375,176.56-580,332.66

Finding the Fourth Proportional to 918,311.64, 1,375,176.56 and 580,332.66

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Solution

The fourth proportional to 918,311.64, 1,375,176.56 and 580,332.66 is: 869,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,311.64 : 1,375,176.56 = 580,332.66 : x
  2. Step 2: Convert to fraction form
    918,311.64/1,375,176.56 = 580,332.66/x
  3. Step 3: Cross multiply
    918,311.64x = 1,375,176.56 × 580,332.66
  4. Step 4: Simplify right side
    918,311.64x = 798,059,871,034.45
  5. Step 5: Solve for x
    x = 798,059,871,034.45/918,311.64
  6. Step 6: Final answer
    x = 869,051.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.