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Finding the Fourth Proportional to 680,552.13, 1,020,750.44 and 181,955.01

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Solution

The fourth proportional to 680,552.13, 1,020,750.44 and 181,955.01 is: 272,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,552.13 : 1,020,750.44 = 181,955.01 : x
  2. Step 2: Convert to fraction form
    680,552.13/1,020,750.44 = 181,955.01/x
  3. Step 3: Cross multiply
    680,552.13x = 1,020,750.44 × 181,955.01
  4. Step 4: Simplify right side
    680,552.13x = 185,730,655,607.93
  5. Step 5: Solve for x
    x = 185,730,655,607.93/680,552.13
  6. Step 6: Final answer
    x = 272,911.72

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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.