Home / 1,344,012.39-1,854,736.29-740,400.39

Finding the Fourth Proportional to 1,344,012.39, 1,854,736.29 and 740,400.39

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Solution

The fourth proportional to 1,344,012.39, 1,854,736.29 and 740,400.39 is: 1,021,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,012.39 : 1,854,736.29 = 740,400.39 : x
  2. Step 2: Convert to fraction form
    1,344,012.39/1,854,736.29 = 740,400.39/x
  3. Step 3: Cross multiply
    1,344,012.39x = 1,854,736.29 × 740,400.39
  4. Step 4: Simplify right side
    1,344,012.39x = 1,373,247,472,463.15
  5. Step 5: Solve for x
    x = 1,373,247,472,463.15/1,344,012.39
  6. Step 6: Final answer
    x = 1,021,752.09

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1.5x scale

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.