Home / 1,310,923.14-1,966,615.32-542,418.60

Finding the Fourth Proportional to 1,310,923.14, 1,966,615.32 and 542,418.60

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Solution

The fourth proportional to 1,310,923.14, 1,966,615.32 and 542,418.60 is: 813,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,923.14 : 1,966,615.32 = 542,418.60 : x
  2. Step 2: Convert to fraction form
    1,310,923.14/1,966,615.32 = 542,418.60/x
  3. Step 3: Cross multiply
    1,310,923.14x = 1,966,615.32 × 542,418.60
  4. Step 4: Simplify right side
    1,310,923.14x = 1,066,728,728,612.95
  5. Step 5: Solve for x
    x = 1,066,728,728,612.95/1,310,923.14
  6. Step 6: Final answer
    x = 813,723.32

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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.