Home / 1,416,940.20-1,955,398.02-772,360.56

Finding the Fourth Proportional to 1,416,940.20, 1,955,398.02 and 772,360.56

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Solution

The fourth proportional to 1,416,940.20, 1,955,398.02 and 772,360.56 is: 1,065,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,940.20 : 1,955,398.02 = 772,360.56 : x
  2. Step 2: Convert to fraction form
    1,416,940.20/1,955,398.02 = 772,360.56/x
  3. Step 3: Cross multiply
    1,416,940.20x = 1,955,398.02 × 772,360.56
  4. Step 4: Simplify right side
    1,416,940.20x = 1,510,272,309,750.09
  5. Step 5: Solve for x
    x = 1,510,272,309,750.09/1,416,940.20
  6. Step 6: Final answer
    x = 1,065,868.77

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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.