Home / 1,465,451.38-2,023,309.83-915,005.20

Finding the Fourth Proportional to 1,465,451.38, 2,023,309.83 and 915,005.20

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Solution

The fourth proportional to 1,465,451.38, 2,023,309.83 and 915,005.20 is: 1,263,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,451.38 : 2,023,309.83 = 915,005.20 : x
  2. Step 2: Convert to fraction form
    1,465,451.38/2,023,309.83 = 915,005.20/x
  3. Step 3: Cross multiply
    1,465,451.38x = 2,023,309.83 × 915,005.20
  4. Step 4: Simplify right side
    1,465,451.38x = 1,851,339,015,661.12
  5. Step 5: Solve for x
    x = 1,851,339,015,661.12/1,465,451.38
  6. Step 6: Final answer
    x = 1,263,323.40

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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.