Home / 1,240,473.74-1,859,587.11-861,573.38

Finding the Fourth Proportional to 1,240,473.74, 1,859,587.11 and 861,573.38

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Solution

The fourth proportional to 1,240,473.74, 1,859,587.11 and 861,573.38 is: 1,291,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,473.74 : 1,859,587.11 = 861,573.38 : x
  2. Step 2: Convert to fraction form
    1,240,473.74/1,859,587.11 = 861,573.38/x
  3. Step 3: Cross multiply
    1,240,473.74x = 1,859,587.11 × 861,573.38
  4. Step 4: Simplify right side
    1,240,473.74x = 1,602,170,742,469.20
  5. Step 5: Solve for x
    x = 1,602,170,742,469.20/1,240,473.74
  6. Step 6: Final answer
    x = 1,291,579.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.