Home / 1,443,195.52-1,991,891.52-870,328.96

Finding the Fourth Proportional to 1,443,195.52, 1,991,891.52 and 870,328.96

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Solution

The fourth proportional to 1,443,195.52, 1,991,891.52 and 870,328.96 is: 1,201,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,195.52 : 1,991,891.52 = 870,328.96 : x
  2. Step 2: Convert to fraction form
    1,443,195.52/1,991,891.52 = 870,328.96/x
  3. Step 3: Cross multiply
    1,443,195.52x = 1,991,891.52 × 870,328.96
  4. Step 4: Simplify right side
    1,443,195.52x = 1,733,600,875,034.42
  5. Step 5: Solve for x
    x = 1,733,600,875,034.42/1,443,195.52
  6. Step 6: Final answer
    x = 1,201,223.85

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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.