Home / 1,343,999.43-1,854,718.40-740,387.43

Finding the Fourth Proportional to 1,343,999.43, 1,854,718.40 and 740,387.43

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Solution

The fourth proportional to 1,343,999.43, 1,854,718.40 and 740,387.43 is: 1,021,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,999.43 : 1,854,718.40 = 740,387.43 : x
  2. Step 2: Convert to fraction form
    1,343,999.43/1,854,718.40 = 740,387.43/x
  3. Step 3: Cross multiply
    1,343,999.43x = 1,854,718.40 × 740,387.43
  4. Step 4: Simplify right side
    1,343,999.43x = 1,373,210,185,847.77
  5. Step 5: Solve for x
    x = 1,373,210,185,847.77/1,343,999.43
  6. Step 6: Final answer
    x = 1,021,734.20

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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.