Home / 1,429,445.32-1,972,620.92-784,859.88

Finding the Fourth Proportional to 1,429,445.32, 1,972,620.92 and 784,859.88

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Solution

The fourth proportional to 1,429,445.32, 1,972,620.92 and 784,859.88 is: 1,083,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,445.32 : 1,972,620.92 = 784,859.88 : x
  2. Step 2: Convert to fraction form
    1,429,445.32/1,972,620.92 = 784,859.88/x
  3. Step 3: Cross multiply
    1,429,445.32x = 1,972,620.92 × 784,859.88
  4. Step 4: Simplify right side
    1,429,445.32x = 1,548,231,018,556.69
  5. Step 5: Solve for x
    x = 1,548,231,018,556.69/1,429,445.32
  6. Step 6: Final answer
    x = 1,083,099.16

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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.