Home / 972,146.80-1,458,220.20-636,223.60

Finding the Fourth Proportional to 972,146.80, 1,458,220.20 and 636,223.60

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Solution

The fourth proportional to 972,146.80, 1,458,220.20 and 636,223.60 is: 954,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,146.80 : 1,458,220.20 = 636,223.60 : x
  2. Step 2: Convert to fraction form
    972,146.80/1,458,220.20 = 636,223.60/x
  3. Step 3: Cross multiply
    972,146.80x = 1,458,220.20 × 636,223.60
  4. Step 4: Simplify right side
    972,146.80x = 927,754,105,236.72
  5. Step 5: Solve for x
    x = 927,754,105,236.72/972,146.80
  6. Step 6: Final answer
    x = 954,335.40

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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.