Home / 1,120,047.90-1,680,071.85-372,093.90

Finding the Fourth Proportional to 1,120,047.90, 1,680,071.85 and 372,093.90

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Solution

The fourth proportional to 1,120,047.90, 1,680,071.85 and 372,093.90 is: 558,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,047.90 : 1,680,071.85 = 372,093.90 : x
  2. Step 2: Convert to fraction form
    1,120,047.90/1,680,071.85 = 372,093.90/x
  3. Step 3: Cross multiply
    1,120,047.90x = 1,680,071.85 × 372,093.90
  4. Step 4: Simplify right side
    1,120,047.90x = 625,144,486,946.72
  5. Step 5: Solve for x
    x = 625,144,486,946.72/1,120,047.90
  6. Step 6: Final answer
    x = 558,140.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.