Home / 1,352,079.80-1,865,870.52-748,467.80

Finding the Fourth Proportional to 1,352,079.80, 1,865,870.52 and 748,467.80

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Solution

The fourth proportional to 1,352,079.80, 1,865,870.52 and 748,467.80 is: 1,032,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,079.80 : 1,865,870.52 = 748,467.80 : x
  2. Step 2: Convert to fraction form
    1,352,079.80/1,865,870.52 = 748,467.80/x
  3. Step 3: Cross multiply
    1,352,079.80x = 1,865,870.52 × 748,467.80
  4. Step 4: Simplify right side
    1,352,079.80x = 1,396,544,003,189.26
  5. Step 5: Solve for x
    x = 1,396,544,003,189.26/1,352,079.80
  6. Step 6: Final answer
    x = 1,032,885.78

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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.