Home / 1,150,587.52-1,587,812.52-641,278.96

Finding the Fourth Proportional to 1,150,587.52, 1,587,812.52 and 641,278.96

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Solution

The fourth proportional to 1,150,587.52, 1,587,812.52 and 641,278.96 is: 884,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,587.52 : 1,587,812.52 = 641,278.96 : x
  2. Step 2: Convert to fraction form
    1,150,587.52/1,587,812.52 = 641,278.96/x
  3. Step 3: Cross multiply
    1,150,587.52x = 1,587,812.52 × 641,278.96
  4. Step 4: Simplify right side
    1,150,587.52x = 1,018,230,759,935.84
  5. Step 5: Solve for x
    x = 1,018,230,759,935.84/1,150,587.52
  6. Step 6: Final answer
    x = 884,965.94

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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.