Home / 876,719.10-1,314,981.45-718,671.90

Finding the Fourth Proportional to 876,719.10, 1,314,981.45 and 718,671.90

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Solution

The fourth proportional to 876,719.10, 1,314,981.45 and 718,671.90 is: 1,077,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,719.10 : 1,314,981.45 = 718,671.90 : x
  2. Step 2: Convert to fraction form
    876,719.10/1,314,981.45 = 718,671.90/x
  3. Step 3: Cross multiply
    876,719.10x = 1,314,981.45 × 718,671.90
  4. Step 4: Simplify right side
    876,719.10x = 945,040,217,136.26
  5. Step 5: Solve for x
    x = 945,040,217,136.26/876,719.10
  6. Step 6: Final answer
    x = 1,077,928.17

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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.