Home / 1,275,368.72-1,760,088.44-702,408.74

Finding the Fourth Proportional to 1,275,368.72, 1,760,088.44 and 702,408.74

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Solution

The fourth proportional to 1,275,368.72, 1,760,088.44 and 702,408.74 is: 969,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,368.72 : 1,760,088.44 = 702,408.74 : x
  2. Step 2: Convert to fraction form
    1,275,368.72/1,760,088.44 = 702,408.74/x
  3. Step 3: Cross multiply
    1,275,368.72x = 1,760,088.44 × 702,408.74
  4. Step 4: Simplify right side
    1,275,368.72x = 1,236,301,499,916.92
  5. Step 5: Solve for x
    x = 1,236,301,499,916.92/1,275,368.72
  6. Step 6: Final answer
    x = 969,367.90

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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.