Home / 1,514,904.87-2,091,326.28-942,129.57

Finding the Fourth Proportional to 1,514,904.87, 2,091,326.28 and 942,129.57

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Solution

The fourth proportional to 1,514,904.87, 2,091,326.28 and 942,129.57 is: 1,300,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,904.87 : 2,091,326.28 = 942,129.57 : x
  2. Step 2: Convert to fraction form
    1,514,904.87/2,091,326.28 = 942,129.57/x
  3. Step 3: Cross multiply
    1,514,904.87x = 2,091,326.28 × 942,129.57
  4. Step 4: Simplify right side
    1,514,904.87x = 1,970,300,328,906.10
  5. Step 5: Solve for x
    x = 1,970,300,328,906.10/1,514,904.87
  6. Step 6: Final answer
    x = 1,300,609.94

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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.