Home / 1,150,587.64-1,587,812.70-641,279.08

Finding the Fourth Proportional to 1,150,587.64, 1,587,812.70 and 641,279.08

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Solution

The fourth proportional to 1,150,587.64, 1,587,812.70 and 641,279.08 is: 884,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,587.64 : 1,587,812.70 = 641,279.08 : x
  2. Step 2: Convert to fraction form
    1,150,587.64/1,587,812.70 = 641,279.08/x
  3. Step 3: Cross multiply
    1,150,587.64x = 1,587,812.70 × 641,279.08
  4. Step 4: Simplify right side
    1,150,587.64x = 1,018,231,069,033.05
  5. Step 5: Solve for x
    x = 1,018,231,069,033.05/1,150,587.64
  6. Step 6: Final answer
    x = 884,966.11

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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.