Home / 1,204,385.80-1,662,073.72-660,516.84

Finding the Fourth Proportional to 1,204,385.80, 1,662,073.72 and 660,516.84

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Solution

The fourth proportional to 1,204,385.80, 1,662,073.72 and 660,516.84 is: 911,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,385.80 : 1,662,073.72 = 660,516.84 : x
  2. Step 2: Convert to fraction form
    1,204,385.80/1,662,073.72 = 660,516.84/x
  3. Step 3: Cross multiply
    1,204,385.80x = 1,662,073.72 × 660,516.84
  4. Step 4: Simplify right side
    1,204,385.80x = 1,097,827,681,381.44
  5. Step 5: Solve for x
    x = 1,097,827,681,381.44/1,204,385.80
  6. Step 6: Final answer
    x = 911,524.93

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1.5x scale

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.