Home / 972,822.42-1,342,459.17-543,120.66

Finding the Fourth Proportional to 972,822.42, 1,342,459.17 and 543,120.66

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Solution

The fourth proportional to 972,822.42, 1,342,459.17 and 543,120.66 is: 749,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,822.42 : 1,342,459.17 = 543,120.66 : x
  2. Step 2: Convert to fraction form
    972,822.42/1,342,459.17 = 543,120.66/x
  3. Step 3: Cross multiply
    972,822.42x = 1,342,459.17 × 543,120.66
  4. Step 4: Simplify right side
    972,822.42x = 729,117,310,433.45
  5. Step 5: Solve for x
    x = 729,117,310,433.45/972,822.42
  6. Step 6: Final answer
    x = 749,486.54

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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.