Home / 680,630.46-1,020,945.72-181,981.50

Finding the Fourth Proportional to 680,630.46, 1,020,945.72 and 181,981.50

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Solution

The fourth proportional to 680,630.46, 1,020,945.72 and 181,981.50 is: 272,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,630.46 : 1,020,945.72 = 181,981.50 : x
  2. Step 2: Convert to fraction form
    680,630.46/1,020,945.72 = 181,981.50/x
  3. Step 3: Cross multiply
    680,630.46x = 1,020,945.72 × 181,981.50
  4. Step 4: Simplify right side
    680,630.46x = 185,793,233,544.18
  5. Step 5: Solve for x
    x = 185,793,233,544.18/680,630.46
  6. Step 6: Final answer
    x = 272,972.26

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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.