Home / 1,338,675.70-2,005,061.10-805,266.40

Finding the Fourth Proportional to 1,338,675.70, 2,005,061.10 and 805,266.40

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Solution

The fourth proportional to 1,338,675.70, 2,005,061.10 and 805,266.40 is: 1,206,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,675.70 : 2,005,061.10 = 805,266.40 : x
  2. Step 2: Convert to fraction form
    1,338,675.70/2,005,061.10 = 805,266.40/x
  3. Step 3: Cross multiply
    1,338,675.70x = 2,005,061.10 × 805,266.40
  4. Step 4: Simplify right side
    1,338,675.70x = 1,614,608,333,777.04
  5. Step 5: Solve for x
    x = 1,614,608,333,777.04/1,338,675.70
  6. Step 6: Final answer
    x = 1,206,123.58

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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.