Home / 1,486,927.52-2,231,512.96-688,769.04

Finding the Fourth Proportional to 1,486,927.52, 2,231,512.96 and 688,769.04

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Solution

The fourth proportional to 1,486,927.52, 2,231,512.96 and 688,769.04 is: 1,033,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,927.52 : 2,231,512.96 = 688,769.04 : x
  2. Step 2: Convert to fraction form
    1,486,927.52/2,231,512.96 = 688,769.04/x
  3. Step 3: Cross multiply
    1,486,927.52x = 2,231,512.96 × 688,769.04
  4. Step 4: Simplify right side
    1,486,927.52x = 1,536,997,039,206.76
  5. Step 5: Solve for x
    x = 1,536,997,039,206.76/1,486,927.52
  6. Step 6: Final answer
    x = 1,033,673.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.