Home / 1,416,716.76-1,955,012.10-772,123.20

Finding the Fourth Proportional to 1,416,716.76, 1,955,012.10 and 772,123.20

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Solution

The fourth proportional to 1,416,716.76, 1,955,012.10 and 772,123.20 is: 1,065,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,716.76 : 1,955,012.10 = 772,123.20 : x
  2. Step 2: Convert to fraction form
    1,416,716.76/1,955,012.10 = 772,123.20/x
  3. Step 3: Cross multiply
    1,416,716.76x = 1,955,012.10 × 772,123.20
  4. Step 4: Simplify right side
    1,416,716.76x = 1,509,510,198,690.72
  5. Step 5: Solve for x
    x = 1,509,510,198,690.72/1,416,716.76
  6. Step 6: Final answer
    x = 1,065,498.93

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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.