Home / 1,260,033.76-1,738,808.28-687,085.12

Finding the Fourth Proportional to 1,260,033.76, 1,738,808.28 and 687,085.12

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Solution

The fourth proportional to 1,260,033.76, 1,738,808.28 and 687,085.12 is: 948,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,033.76 : 1,738,808.28 = 687,085.12 : x
  2. Step 2: Convert to fraction form
    1,260,033.76/1,738,808.28 = 687,085.12/x
  3. Step 3: Cross multiply
    1,260,033.76x = 1,738,808.28 × 687,085.12
  4. Step 4: Simplify right side
    1,260,033.76x = 1,194,709,295,720.79
  5. Step 5: Solve for x
    x = 1,194,709,295,720.79/1,260,033.76
  6. Step 6: Final answer
    x = 948,156.58

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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.