Home / 1,344,049.40-1,854,888.78-740,439.80

Finding the Fourth Proportional to 1,344,049.40, 1,854,888.78 and 740,439.80

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Solution

The fourth proportional to 1,344,049.40, 1,854,888.78 and 740,439.80 is: 1,021,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,049.40 : 1,854,888.78 = 740,439.80 : x
  2. Step 2: Convert to fraction form
    1,344,049.40/1,854,888.78 = 740,439.80/x
  3. Step 3: Cross multiply
    1,344,049.40x = 1,854,888.78 × 740,439.80
  4. Step 4: Simplify right side
    1,344,049.40x = 1,373,433,477,285.44
  5. Step 5: Solve for x
    x = 1,373,433,477,285.44/1,344,049.40
  6. Step 6: Final answer
    x = 1,021,862.35

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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.