Home / 1,202,641.62-1,659,672.26-686,385.16

Finding the Fourth Proportional to 1,202,641.62, 1,659,672.26 and 686,385.16

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Solution

The fourth proportional to 1,202,641.62, 1,659,672.26 and 686,385.16 is: 947,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,641.62 : 1,659,672.26 = 686,385.16 : x
  2. Step 2: Convert to fraction form
    1,202,641.62/1,659,672.26 = 686,385.16/x
  3. Step 3: Cross multiply
    1,202,641.62x = 1,659,672.26 × 686,385.16
  4. Step 4: Simplify right side
    1,202,641.62x = 1,139,174,409,727.66
  5. Step 5: Solve for x
    x = 1,139,174,409,727.66/1,202,641.62
  6. Step 6: Final answer
    x = 947,226.83

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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.