Home / 1,375,342.05-2,063,319.24-452,139.72

Finding the Fourth Proportional to 1,375,342.05, 2,063,319.24 and 452,139.72

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Solution

The fourth proportional to 1,375,342.05, 2,063,319.24 and 452,139.72 is: 678,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,342.05 : 2,063,319.24 = 452,139.72 : x
  2. Step 2: Convert to fraction form
    1,375,342.05/2,063,319.24 = 452,139.72/x
  3. Step 3: Cross multiply
    1,375,342.05x = 2,063,319.24 × 452,139.72
  4. Step 4: Simplify right side
    1,375,342.05x = 932,908,583,444.21
  5. Step 5: Solve for x
    x = 932,908,583,444.21/1,375,342.05
  6. Step 6: Final answer
    x = 678,310.23

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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.