Home / 1,758,899.64-2,638,127.70-748,425.72

Finding the Fourth Proportional to 1,758,899.64, 2,638,127.70 and 748,425.72

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Solution

The fourth proportional to 1,758,899.64, 2,638,127.70 and 748,425.72 is: 1,122,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,899.64 : 2,638,127.70 = 748,425.72 : x
  2. Step 2: Convert to fraction form
    1,758,899.64/2,638,127.70 = 748,425.72/x
  3. Step 3: Cross multiply
    1,758,899.64x = 2,638,127.70 × 748,425.72
  4. Step 4: Simplify right side
    1,758,899.64x = 1,974,442,623,324.44
  5. Step 5: Solve for x
    x = 1,974,442,623,324.44/1,758,899.64
  6. Step 6: Final answer
    x = 1,122,544.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.