Home / 1,074,890.07-1,612,612.13-771,635.79

Finding the Fourth Proportional to 1,074,890.07, 1,612,612.13 and 771,635.79

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Solution

The fourth proportional to 1,074,890.07, 1,612,612.13 and 771,635.79 is: 1,157,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,890.07 : 1,612,612.13 = 771,635.79 : x
  2. Step 2: Convert to fraction form
    1,074,890.07/1,612,612.13 = 771,635.79/x
  3. Step 3: Cross multiply
    1,074,890.07x = 1,612,612.13 × 771,635.79
  4. Step 4: Simplify right side
    1,074,890.07x = 1,244,349,231,037.95
  5. Step 5: Solve for x
    x = 1,244,349,231,037.95/1,074,890.07
  6. Step 6: Final answer
    x = 1,157,652.55

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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.