Home / 1,303,517.60-1,955,276.40-743,645.60

Finding the Fourth Proportional to 1,303,517.60, 1,955,276.40 and 743,645.60

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Solution

The fourth proportional to 1,303,517.60, 1,955,276.40 and 743,645.60 is: 1,115,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,517.60 : 1,955,276.40 = 743,645.60 : x
  2. Step 2: Convert to fraction form
    1,303,517.60/1,955,276.40 = 743,645.60/x
  3. Step 3: Cross multiply
    1,303,517.60x = 1,955,276.40 × 743,645.60
  4. Step 4: Simplify right side
    1,303,517.60x = 1,454,032,691,643.84
  5. Step 5: Solve for x
    x = 1,454,032,691,643.84/1,303,517.60
  6. Step 6: Final answer
    x = 1,115,468.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.