Home / 1,204,542.55-1,662,271.10-660,682.77

Finding the Fourth Proportional to 1,204,542.55, 1,662,271.10 and 660,682.77

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Solution

The fourth proportional to 1,204,542.55, 1,662,271.10 and 660,682.77 is: 911,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,542.55 : 1,662,271.10 = 660,682.77 : x
  2. Step 2: Convert to fraction form
    1,204,542.55/1,662,271.10 = 660,682.77/x
  3. Step 3: Cross multiply
    1,204,542.55x = 1,662,271.10 × 660,682.77
  4. Step 4: Simplify right side
    1,204,542.55x = 1,098,233,874,838.95
  5. Step 5: Solve for x
    x = 1,098,233,874,838.95/1,204,542.55
  6. Step 6: Final answer
    x = 911,743.53

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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.