Home / 1,543,672.78-2,130,274.56-864,609.28

Finding the Fourth Proportional to 1,543,672.78, 2,130,274.56 and 864,609.28

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Solution

The fourth proportional to 1,543,672.78, 2,130,274.56 and 864,609.28 is: 1,193,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,672.78 : 2,130,274.56 = 864,609.28 : x
  2. Step 2: Convert to fraction form
    1,543,672.78/2,130,274.56 = 864,609.28/x
  3. Step 3: Cross multiply
    1,543,672.78x = 2,130,274.56 × 864,609.28
  4. Step 4: Simplify right side
    1,543,672.78x = 1,841,855,153,523.92
  5. Step 5: Solve for x
    x = 1,841,855,153,523.92/1,543,672.78
  6. Step 6: Final answer
    x = 1,193,164.24

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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.