Home / 1,150,631.88-1,587,733.40-660,574.39

Finding the Fourth Proportional to 1,150,631.88, 1,587,733.40 and 660,574.39

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Solution

The fourth proportional to 1,150,631.88, 1,587,733.40 and 660,574.39 is: 911,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,631.88 : 1,587,733.40 = 660,574.39 : x
  2. Step 2: Convert to fraction form
    1,150,631.88/1,587,733.40 = 660,574.39/x
  3. Step 3: Cross multiply
    1,150,631.88x = 1,587,733.40 × 660,574.39
  4. Step 4: Simplify right side
    1,150,631.88x = 1,048,816,018,884.75
  5. Step 5: Solve for x
    x = 1,048,816,018,884.75/1,150,631.88
  6. Step 6: Final answer
    x = 911,513.09

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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.