Home / 1,344,046.40-1,854,884.64-740,436.80

Finding the Fourth Proportional to 1,344,046.40, 1,854,884.64 and 740,436.80

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Solution

The fourth proportional to 1,344,046.40, 1,854,884.64 and 740,436.80 is: 1,021,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,046.40 : 1,854,884.64 = 740,436.80 : x
  2. Step 2: Convert to fraction form
    1,344,046.40/1,854,884.64 = 740,436.80/x
  3. Step 3: Cross multiply
    1,344,046.40x = 1,854,884.64 × 740,436.80
  4. Step 4: Simplify right side
    1,344,046.40x = 1,373,424,847,210.75
  5. Step 5: Solve for x
    x = 1,373,424,847,210.75/1,344,046.40
  6. Step 6: Final answer
    x = 1,021,858.21

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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.