Home / 1,246,579.20-1,720,281.60-710,035.20

Finding the Fourth Proportional to 1,246,579.20, 1,720,281.60 and 710,035.20

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Solution

The fourth proportional to 1,246,579.20, 1,720,281.60 and 710,035.20 is: 979,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,579.20 : 1,720,281.60 = 710,035.20 : x
  2. Step 2: Convert to fraction form
    1,246,579.20/1,720,281.60 = 710,035.20/x
  3. Step 3: Cross multiply
    1,246,579.20x = 1,720,281.60 × 710,035.20
  4. Step 4: Simplify right side
    1,246,579.20x = 1,221,460,489,912.32
  5. Step 5: Solve for x
    x = 1,221,460,489,912.32/1,246,579.20
  6. Step 6: Final answer
    x = 979,849.89

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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.