Home / 1,416,857.42-1,955,282.94-772,276.43

Finding the Fourth Proportional to 1,416,857.42, 1,955,282.94 and 772,276.43

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Solution

The fourth proportional to 1,416,857.42, 1,955,282.94 and 772,276.43 is: 1,065,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,857.42 : 1,955,282.94 = 772,276.43 : x
  2. Step 2: Convert to fraction form
    1,416,857.42/1,955,282.94 = 772,276.43/x
  3. Step 3: Cross multiply
    1,416,857.42x = 1,955,282.94 × 772,276.43
  4. Step 4: Simplify right side
    1,416,857.42x = 1,510,018,918,766.69
  5. Step 5: Solve for x
    x = 1,510,018,918,766.69/1,416,857.42
  6. Step 6: Final answer
    x = 1,065,752.21

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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.