Home / 1,246,865.28-1,720,639.62-702,996.32

Finding the Fourth Proportional to 1,246,865.28, 1,720,639.62 and 702,996.32

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Solution

The fourth proportional to 1,246,865.28, 1,720,639.62 and 702,996.32 is: 970,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,865.28 : 1,720,639.62 = 702,996.32 : x
  2. Step 2: Convert to fraction form
    1,246,865.28/1,720,639.62 = 702,996.32/x
  3. Step 3: Cross multiply
    1,246,865.28x = 1,720,639.62 × 702,996.32
  4. Step 4: Simplify right side
    1,246,865.28x = 1,209,603,312,303.00
  5. Step 5: Solve for x
    x = 1,209,603,312,303.00/1,246,865.28
  6. Step 6: Final answer
    x = 970,115.48

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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.