Home / 876,720.10-1,314,982.95-718,672.90

Finding the Fourth Proportional to 876,720.10, 1,314,982.95 and 718,672.90

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Solution

The fourth proportional to 876,720.10, 1,314,982.95 and 718,672.90 is: 1,077,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,720.10 : 1,314,982.95 = 718,672.90 : x
  2. Step 2: Convert to fraction form
    876,720.10/1,314,982.95 = 718,672.90/x
  3. Step 3: Cross multiply
    876,720.10x = 1,314,982.95 × 718,672.90
  4. Step 4: Simplify right side
    876,720.10x = 945,042,610,127.06
  5. Step 5: Solve for x
    x = 945,042,610,127.06/876,720.10
  6. Step 6: Final answer
    x = 1,077,929.67

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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.