Home / 1,351,870.80-1,865,386.44-748,257.36

Finding the Fourth Proportional to 1,351,870.80, 1,865,386.44 and 748,257.36

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Solution

The fourth proportional to 1,351,870.80, 1,865,386.44 and 748,257.36 is: 1,032,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,870.80 : 1,865,386.44 = 748,257.36 : x
  2. Step 2: Convert to fraction form
    1,351,870.80/1,865,386.44 = 748,257.36/x
  3. Step 3: Cross multiply
    1,351,870.80x = 1,865,386.44 × 748,257.36
  4. Step 4: Simplify right side
    1,351,870.80x = 1,395,789,132,974.20
  5. Step 5: Solve for x
    x = 1,395,789,132,974.20/1,351,870.80
  6. Step 6: Final answer
    x = 1,032,487.08

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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.