Home / 1,343,712.38-1,854,323.10-740,100.38

Finding the Fourth Proportional to 1,343,712.38, 1,854,323.10 and 740,100.38

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Solution

The fourth proportional to 1,343,712.38, 1,854,323.10 and 740,100.38 is: 1,021,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,712.38 : 1,854,323.10 = 740,100.38 : x
  2. Step 2: Convert to fraction form
    1,343,712.38/1,854,323.10 = 740,100.38/x
  3. Step 3: Cross multiply
    1,343,712.38x = 1,854,323.10 × 740,100.38
  4. Step 4: Simplify right side
    1,343,712.38x = 1,372,385,221,681.16
  5. Step 5: Solve for x
    x = 1,372,385,221,681.16/1,343,712.38
  6. Step 6: Final answer
    x = 1,021,338.53

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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.