Home / 972,480.47-1,340,775.45-797,405.72

Finding the Fourth Proportional to 972,480.47, 1,340,775.45 and 797,405.72

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Solution

The fourth proportional to 972,480.47, 1,340,775.45 and 797,405.72 is: 1,099,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,480.47 : 1,340,775.45 = 797,405.72 : x
  2. Step 2: Convert to fraction form
    972,480.47/1,340,775.45 = 797,405.72/x
  3. Step 3: Cross multiply
    972,480.47x = 1,340,775.45 × 797,405.72
  4. Step 4: Simplify right side
    972,480.47x = 1,069,142,006,361.70
  5. Step 5: Solve for x
    x = 1,069,142,006,361.70/972,480.47
  6. Step 6: Final answer
    x = 1,099,396.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.