Home / 1,120,407.60-1,680,392.70-372,453.60

Finding the Fourth Proportional to 1,120,407.60, 1,680,392.70 and 372,453.60

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Solution

The fourth proportional to 1,120,407.60, 1,680,392.70 and 372,453.60 is: 558,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,407.60 : 1,680,392.70 = 372,453.60 : x
  2. Step 2: Convert to fraction form
    1,120,407.60/1,680,392.70 = 372,453.60/x
  3. Step 3: Cross multiply
    1,120,407.60x = 1,680,392.70 × 372,453.60
  4. Step 4: Simplify right side
    1,120,407.60x = 625,868,310,528.72
  5. Step 5: Solve for x
    x = 625,868,310,528.72/1,120,407.60
  6. Step 6: Final answer
    x = 558,607.70

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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.