Home / 1,418,828.85-1,958,025.42-774,290.66

Finding the Fourth Proportional to 1,418,828.85, 1,958,025.42 and 774,290.66

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Solution

The fourth proportional to 1,418,828.85, 1,958,025.42 and 774,290.66 is: 1,068,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,828.85 : 1,958,025.42 = 774,290.66 : x
  2. Step 2: Convert to fraction form
    1,418,828.85/1,958,025.42 = 774,290.66/x
  3. Step 3: Cross multiply
    1,418,828.85x = 1,958,025.42 × 774,290.66
  4. Step 4: Simplify right side
    1,418,828.85x = 1,516,080,794,748.58
  5. Step 5: Solve for x
    x = 1,516,080,794,748.58/1,418,828.85
  6. Step 6: Final answer
    x = 1,068,543.82

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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.