Home / 1,275,311.60-1,759,908.56-702,405.12

Finding the Fourth Proportional to 1,275,311.60, 1,759,908.56 and 702,405.12

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Solution

The fourth proportional to 1,275,311.60, 1,759,908.56 and 702,405.12 is: 969,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,311.60 : 1,759,908.56 = 702,405.12 : x
  2. Step 2: Convert to fraction form
    1,275,311.60/1,759,908.56 = 702,405.12/x
  3. Step 3: Cross multiply
    1,275,311.60x = 1,759,908.56 × 702,405.12
  4. Step 4: Simplify right side
    1,275,311.60x = 1,236,168,783,275.83
  5. Step 5: Solve for x
    x = 1,236,168,783,275.83/1,275,311.60
  6. Step 6: Final answer
    x = 969,307.25

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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.