Home / 1,246,867.78-1,720,643.07-702,998.82

Finding the Fourth Proportional to 1,246,867.78, 1,720,643.07 and 702,998.82

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Solution

The fourth proportional to 1,246,867.78, 1,720,643.07 and 702,998.82 is: 970,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,867.78 : 1,720,643.07 = 702,998.82 : x
  2. Step 2: Convert to fraction form
    1,246,867.78/1,720,643.07 = 702,998.82/x
  3. Step 3: Cross multiply
    1,246,867.78x = 1,720,643.07 × 702,998.82
  4. Step 4: Simplify right side
    1,246,867.78x = 1,209,610,047,851.18
  5. Step 5: Solve for x
    x = 1,209,610,047,851.18/1,246,867.78
  6. Step 6: Final answer
    x = 970,118.94

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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.