Home / 1,110,142.28-1,532,033.52-680,339.40

Finding the Fourth Proportional to 1,110,142.28, 1,532,033.52 and 680,339.40

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Solution

The fourth proportional to 1,110,142.28, 1,532,033.52 and 680,339.40 is: 938,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,142.28 : 1,532,033.52 = 680,339.40 : x
  2. Step 2: Convert to fraction form
    1,110,142.28/1,532,033.52 = 680,339.40/x
  3. Step 3: Cross multiply
    1,110,142.28x = 1,532,033.52 × 680,339.40
  4. Step 4: Simplify right side
    1,110,142.28x = 1,042,302,765,776.69
  5. Step 5: Solve for x
    x = 1,042,302,765,776.69/1,110,142.28
  6. Step 6: Final answer
    x = 938,891.15

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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.