Home / 781,172.32-1,171,758.48-741,281.44

Finding the Fourth Proportional to 781,172.32, 1,171,758.48 and 741,281.44

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Solution

The fourth proportional to 781,172.32, 1,171,758.48 and 741,281.44 is: 1,111,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,172.32 : 1,171,758.48 = 741,281.44 : x
  2. Step 2: Convert to fraction form
    781,172.32/1,171,758.48 = 741,281.44/x
  3. Step 3: Cross multiply
    781,172.32x = 1,171,758.48 × 741,281.44
  4. Step 4: Simplify right side
    781,172.32x = 868,602,813,386.61
  5. Step 5: Solve for x
    x = 868,602,813,386.61/781,172.32
  6. Step 6: Final answer
    x = 1,111,922.16

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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.