Home / 1,232,062.25-1,700,077.82-688,128.62

Finding the Fourth Proportional to 1,232,062.25, 1,700,077.82 and 688,128.62

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Solution

The fourth proportional to 1,232,062.25, 1,700,077.82 and 688,128.62 is: 949,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,062.25 : 1,700,077.82 = 688,128.62 : x
  2. Step 2: Convert to fraction form
    1,232,062.25/1,700,077.82 = 688,128.62/x
  3. Step 3: Cross multiply
    1,232,062.25x = 1,700,077.82 × 688,128.62
  4. Step 4: Simplify right side
    1,232,062.25x = 1,169,872,192,228.18
  5. Step 5: Solve for x
    x = 1,169,872,192,228.18/1,232,062.25
  6. Step 6: Final answer
    x = 949,523.61

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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.