Home / 1,358,883-1,875,375.18-755,387.64

Finding the Fourth Proportional to 1,358,883, 1,875,375.18 and 755,387.64

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Solution

The fourth proportional to 1,358,883, 1,875,375.18 and 755,387.64 is: 1,042,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,883 : 1,875,375.18 = 755,387.64 : x
  2. Step 2: Convert to fraction form
    1,358,883/1,875,375.18 = 755,387.64/x
  3. Step 3: Cross multiply
    1,358,883x = 1,875,375.18 × 755,387.64
  4. Step 4: Simplify right side
    1,358,883x = 1,416,635,231,334.78
  5. Step 5: Solve for x
    x = 1,416,635,231,334.78/1,358,883
  6. Step 6: Final answer
    x = 1,042,499.78

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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.