Home / 1,471,642.73-2,031,035.31-818,333.89

Finding the Fourth Proportional to 1,471,642.73, 2,031,035.31 and 818,333.89

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Solution

The fourth proportional to 1,471,642.73, 2,031,035.31 and 818,333.89 is: 1,129,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,642.73 : 2,031,035.31 = 818,333.89 : x
  2. Step 2: Convert to fraction form
    1,471,642.73/2,031,035.31 = 818,333.89/x
  3. Step 3: Cross multiply
    1,471,642.73x = 2,031,035.31 × 818,333.89
  4. Step 4: Simplify right side
    1,471,642.73x = 1,662,065,020,882.07
  5. Step 5: Solve for x
    x = 1,662,065,020,882.07/1,471,642.73
  6. Step 6: Final answer
    x = 1,129,394.38

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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.