Home / 1,343,685.32-1,854,285.78-740,073.32

Finding the Fourth Proportional to 1,343,685.32, 1,854,285.78 and 740,073.32

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Solution

The fourth proportional to 1,343,685.32, 1,854,285.78 and 740,073.32 is: 1,021,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,685.32 : 1,854,285.78 = 740,073.32 : x
  2. Step 2: Convert to fraction form
    1,343,685.32/1,854,285.78 = 740,073.32/x
  3. Step 3: Cross multiply
    1,343,685.32x = 1,854,285.78 × 740,073.32
  4. Step 4: Simplify right side
    1,343,685.32x = 1,372,307,433,433.39
  5. Step 5: Solve for x
    x = 1,372,307,433,433.39/1,343,685.32
  6. Step 6: Final answer
    x = 1,021,301.20

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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.