Home / 1,416,854.79-1,955,279.32-772,273.80

Finding the Fourth Proportional to 1,416,854.79, 1,955,279.32 and 772,273.80

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Solution

The fourth proportional to 1,416,854.79, 1,955,279.32 and 772,273.80 is: 1,065,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,854.79 : 1,955,279.32 = 772,273.80 : x
  2. Step 2: Convert to fraction form
    1,416,854.79/1,955,279.32 = 772,273.80/x
  3. Step 3: Cross multiply
    1,416,854.79x = 1,955,279.32 × 772,273.80
  4. Step 4: Simplify right side
    1,416,854.79x = 1,510,010,990,517.82
  5. Step 5: Solve for x
    x = 1,510,010,990,517.82/1,416,854.79
  6. Step 6: Final answer
    x = 1,065,748.59

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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.