Home / 1,343,999.49-1,854,718.48-740,387.49

Finding the Fourth Proportional to 1,343,999.49, 1,854,718.48 and 740,387.49

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Solution

The fourth proportional to 1,343,999.49, 1,854,718.48 and 740,387.49 is: 1,021,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,999.49 : 1,854,718.48 = 740,387.49 : x
  2. Step 2: Convert to fraction form
    1,343,999.49/1,854,718.48 = 740,387.49/x
  3. Step 3: Cross multiply
    1,343,999.49x = 1,854,718.48 × 740,387.49
  4. Step 4: Simplify right side
    1,343,999.49x = 1,373,210,360,063.82
  5. Step 5: Solve for x
    x = 1,373,210,360,063.82/1,343,999.49
  6. Step 6: Final answer
    x = 1,021,734.29

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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.