Home / 1,141,189.68-1,574,841.72-631,891.92

Finding the Fourth Proportional to 1,141,189.68, 1,574,841.72 and 631,891.92

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Solution

The fourth proportional to 1,141,189.68, 1,574,841.72 and 631,891.92 is: 872,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,189.68 : 1,574,841.72 = 631,891.92 : x
  2. Step 2: Convert to fraction form
    1,141,189.68/1,574,841.72 = 631,891.92/x
  3. Step 3: Cross multiply
    1,141,189.68x = 1,574,841.72 × 631,891.92
  4. Step 4: Simplify right side
    1,141,189.68x = 995,129,758,146.90
  5. Step 5: Solve for x
    x = 995,129,758,146.90/1,141,189.68
  6. Step 6: Final answer
    x = 872,010.83

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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.