Home / 1,418,902.03-1,958,126.07-774,363.70

Finding the Fourth Proportional to 1,418,902.03, 1,958,126.07 and 774,363.70

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Solution

The fourth proportional to 1,418,902.03, 1,958,126.07 and 774,363.70 is: 1,068,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,902.03 : 1,958,126.07 = 774,363.70 : x
  2. Step 2: Convert to fraction form
    1,418,902.03/1,958,126.07 = 774,363.70/x
  3. Step 3: Cross multiply
    1,418,902.03x = 1,958,126.07 × 774,363.70
  4. Step 4: Simplify right side
    1,418,902.03x = 1,516,301,748,631.66
  5. Step 5: Solve for x
    x = 1,516,301,748,631.66/1,418,902.03
  6. Step 6: Final answer
    x = 1,068,644.43

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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.