Home / 1,126,087.52-1,554,026.04-642,643.04

Finding the Fourth Proportional to 1,126,087.52, 1,554,026.04 and 642,643.04

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Solution

The fourth proportional to 1,126,087.52, 1,554,026.04 and 642,643.04 is: 886,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,087.52 : 1,554,026.04 = 642,643.04 : x
  2. Step 2: Convert to fraction form
    1,126,087.52/1,554,026.04 = 642,643.04/x
  3. Step 3: Cross multiply
    1,126,087.52x = 1,554,026.04 × 642,643.04
  4. Step 4: Simplify right side
    1,126,087.52x = 998,684,018,584.76
  5. Step 5: Solve for x
    x = 998,684,018,584.76/1,126,087.52
  6. Step 6: Final answer
    x = 886,861.81

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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.