Home / 1,138,694.16-1,571,235.12-655,074.48

Finding the Fourth Proportional to 1,138,694.16, 1,571,235.12 and 655,074.48

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Solution

The fourth proportional to 1,138,694.16, 1,571,235.12 and 655,074.48 is: 903,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,694.16 : 1,571,235.12 = 655,074.48 : x
  2. Step 2: Convert to fraction form
    1,138,694.16/1,571,235.12 = 655,074.48/x
  3. Step 3: Cross multiply
    1,138,694.16x = 1,571,235.12 × 655,074.48
  4. Step 4: Simplify right side
    1,138,694.16x = 1,029,276,029,191.74
  5. Step 5: Solve for x
    x = 1,029,276,029,191.74/1,138,694.16
  6. Step 6: Final answer
    x = 903,909.11

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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.