Home / 1,158,767.40-1,738,151.10-972,143.40

Finding the Fourth Proportional to 1,158,767.40, 1,738,151.10 and 972,143.40

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Solution

The fourth proportional to 1,158,767.40, 1,738,151.10 and 972,143.40 is: 1,458,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,767.40 : 1,738,151.10 = 972,143.40 : x
  2. Step 2: Convert to fraction form
    1,158,767.40/1,738,151.10 = 972,143.40/x
  3. Step 3: Cross multiply
    1,158,767.40x = 1,738,151.10 × 972,143.40
  4. Step 4: Simplify right side
    1,158,767.40x = 1,689,732,120,067.74
  5. Step 5: Solve for x
    x = 1,689,732,120,067.74/1,158,767.40
  6. Step 6: Final answer
    x = 1,458,215.10

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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.