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Finding the Fourth Proportional to 972,482.97, 1,340,778.90 and 797,408.22

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Solution

The fourth proportional to 972,482.97, 1,340,778.90 and 797,408.22 is: 1,099,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,482.97 : 1,340,778.90 = 797,408.22 : x
  2. Step 2: Convert to fraction form
    972,482.97/1,340,778.90 = 797,408.22/x
  3. Step 3: Cross multiply
    972,482.97x = 1,340,778.90 × 797,408.22
  4. Step 4: Simplify right side
    972,482.97x = 1,069,148,116,062.56
  5. Step 5: Solve for x
    x = 1,069,148,116,062.56/972,482.97
  6. Step 6: Final answer
    x = 1,099,400.35

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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.