Home / 1,427,111.22-1,970,446.68-918,699.24

Finding the Fourth Proportional to 1,427,111.22, 1,970,446.68 and 918,699.24

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Solution

The fourth proportional to 1,427,111.22, 1,970,446.68 and 918,699.24 is: 1,268,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,111.22 : 1,970,446.68 = 918,699.24 : x
  2. Step 2: Convert to fraction form
    1,427,111.22/1,970,446.68 = 918,699.24/x
  3. Step 3: Cross multiply
    1,427,111.22x = 1,970,446.68 × 918,699.24
  4. Step 4: Simplify right side
    1,427,111.22x = 1,810,247,867,376.52
  5. Step 5: Solve for x
    x = 1,810,247,867,376.52/1,427,111.22
  6. Step 6: Final answer
    x = 1,268,470.07

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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.