Home / 1,362,002.24-1,879,398.53-781,195.28

Finding the Fourth Proportional to 1,362,002.24, 1,879,398.53 and 781,195.28

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Solution

The fourth proportional to 1,362,002.24, 1,879,398.53 and 781,195.28 is: 1,077,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,002.24 : 1,879,398.53 = 781,195.28 : x
  2. Step 2: Convert to fraction form
    1,362,002.24/1,879,398.53 = 781,195.28/x
  3. Step 3: Cross multiply
    1,362,002.24x = 1,879,398.53 × 781,195.28
  4. Step 4: Simplify right side
    1,362,002.24x = 1,468,177,260,874.94
  5. Step 5: Solve for x
    x = 1,468,177,260,874.94/1,362,002.24
  6. Step 6: Final answer
    x = 1,077,955.10

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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.