Home / 1,585,117.23-2,187,701.91-1,012,538.76

Finding the Fourth Proportional to 1,585,117.23, 2,187,701.91 and 1,012,538.76

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Solution

The fourth proportional to 1,585,117.23, 2,187,701.91 and 1,012,538.76 is: 1,397,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,117.23 : 2,187,701.91 = 1,012,538.76 : x
  2. Step 2: Convert to fraction form
    1,585,117.23/2,187,701.91 = 1,012,538.76/x
  3. Step 3: Cross multiply
    1,585,117.23x = 2,187,701.91 × 1,012,538.76
  4. Step 4: Simplify right side
    1,585,117.23x = 2,215,132,979,201.03
  5. Step 5: Solve for x
    x = 2,215,132,979,201.03/1,585,117.23
  6. Step 6: Final answer
    x = 1,397,456.88

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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.