Home / 1,151,555.76-1,588,718.88-667,849.68

Finding the Fourth Proportional to 1,151,555.76, 1,588,718.88 and 667,849.68

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Solution

The fourth proportional to 1,151,555.76, 1,588,718.88 and 667,849.68 is: 921,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,555.76 : 1,588,718.88 = 667,849.68 : x
  2. Step 2: Convert to fraction form
    1,151,555.76/1,588,718.88 = 667,849.68/x
  3. Step 3: Cross multiply
    1,151,555.76x = 1,588,718.88 × 667,849.68
  4. Step 4: Simplify right side
    1,151,555.76x = 1,061,025,395,617.96
  5. Step 5: Solve for x
    x = 1,061,025,395,617.96/1,151,555.76
  6. Step 6: Final answer
    x = 921,384.30

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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.