Home / 1,418,142.56-2,127,243-471,521.52

Finding the Fourth Proportional to 1,418,142.56, 2,127,243 and 471,521.52

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Solution

The fourth proportional to 1,418,142.56, 2,127,243 and 471,521.52 is: 707,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,142.56 : 2,127,243 = 471,521.52 : x
  2. Step 2: Convert to fraction form
    1,418,142.56/2,127,243 = 471,521.52/x
  3. Step 3: Cross multiply
    1,418,142.56x = 2,127,243 × 471,521.52
  4. Step 4: Simplify right side
    1,418,142.56x = 1,003,040,852,769.36
  5. Step 5: Solve for x
    x = 1,003,040,852,769.36/1,418,142.56
  6. Step 6: Final answer
    x = 707,291.98

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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.