Home / 1,418,921.38-1,958,110.98-774,341.57

Finding the Fourth Proportional to 1,418,921.38, 1,958,110.98 and 774,341.57

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Solution

The fourth proportional to 1,418,921.38, 1,958,110.98 and 774,341.57 is: 1,068,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,921.38 : 1,958,110.98 = 774,341.57 : x
  2. Step 2: Convert to fraction form
    1,418,921.38/1,958,110.98 = 774,341.57/x
  3. Step 3: Cross multiply
    1,418,921.38x = 1,958,110.98 × 774,341.57
  4. Step 4: Simplify right side
    1,418,921.38x = 1,516,246,732,204.20
  5. Step 5: Solve for x
    x = 1,516,246,732,204.20/1,418,921.38
  6. Step 6: Final answer
    x = 1,068,591.08

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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.