Home / 1,126,158.12-1,554,141.06-642,801.96

Finding the Fourth Proportional to 1,126,158.12, 1,554,141.06 and 642,801.96

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Solution

The fourth proportional to 1,126,158.12, 1,554,141.06 and 642,801.96 is: 887,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,158.12 : 1,554,141.06 = 642,801.96 : x
  2. Step 2: Convert to fraction form
    1,126,158.12/1,554,141.06 = 642,801.96/x
  3. Step 3: Cross multiply
    1,126,158.12x = 1,554,141.06 × 642,801.96
  4. Step 4: Simplify right side
    1,126,158.12x = 999,004,919,484.48
  5. Step 5: Solve for x
    x = 999,004,919,484.48/1,126,158.12
  6. Step 6: Final answer
    x = 887,091.17

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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.