Home / 972,148.80-1,458,223.20-636,225.60

Finding the Fourth Proportional to 972,148.80, 1,458,223.20 and 636,225.60

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Solution

The fourth proportional to 972,148.80, 1,458,223.20 and 636,225.60 is: 954,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,148.80 : 1,458,223.20 = 636,225.60 : x
  2. Step 2: Convert to fraction form
    972,148.80/1,458,223.20 = 636,225.60/x
  3. Step 3: Cross multiply
    972,148.80x = 1,458,223.20 × 636,225.60
  4. Step 4: Simplify right side
    972,148.80x = 927,758,930,353.92
  5. Step 5: Solve for x
    x = 927,758,930,353.92/972,148.80
  6. Step 6: Final answer
    x = 954,338.40

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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.