Home / 1,377,966.98-2,066,816.82-418,430.89

Finding the Fourth Proportional to 1,377,966.98, 2,066,816.82 and 418,430.89

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Solution

The fourth proportional to 1,377,966.98, 2,066,816.82 and 418,430.89 is: 627,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,966.98 : 2,066,816.82 = 418,430.89 : x
  2. Step 2: Convert to fraction form
    1,377,966.98/2,066,816.82 = 418,430.89/x
  3. Step 3: Cross multiply
    1,377,966.98x = 2,066,816.82 × 418,430.89
  4. Step 4: Simplify right side
    1,377,966.98x = 864,819,999,799.28
  5. Step 5: Solve for x
    x = 864,819,999,799.28/1,377,966.98
  6. Step 6: Final answer
    x = 627,605.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.