Home / 1,428,264.96-1,970,970.68-799,600.92

Finding the Fourth Proportional to 1,428,264.96, 1,970,970.68 and 799,600.92

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Solution

The fourth proportional to 1,428,264.96, 1,970,970.68 and 799,600.92 is: 1,103,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,264.96 : 1,970,970.68 = 799,600.92 : x
  2. Step 2: Convert to fraction form
    1,428,264.96/1,970,970.68 = 799,600.92/x
  3. Step 3: Cross multiply
    1,428,264.96x = 1,970,970.68 × 799,600.92
  4. Step 4: Simplify right side
    1,428,264.96x = 1,575,989,969,021.03
  5. Step 5: Solve for x
    x = 1,575,989,969,021.03/1,428,264.96
  6. Step 6: Final answer
    x = 1,103,429.69

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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.