Home / 876,875.20-1,317,281.10-843,414.10

Finding the Fourth Proportional to 876,875.20, 1,317,281.10 and 843,414.10

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Solution

The fourth proportional to 876,875.20, 1,317,281.10 and 843,414.10 is: 1,267,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,875.20 : 1,317,281.10 = 843,414.10 : x
  2. Step 2: Convert to fraction form
    876,875.20/1,317,281.10 = 843,414.10/x
  3. Step 3: Cross multiply
    876,875.20x = 1,317,281.10 × 843,414.10
  4. Step 4: Simplify right side
    876,875.20x = 1,111,013,453,403.51
  5. Step 5: Solve for x
    x = 1,111,013,453,403.51/876,875.20
  6. Step 6: Final answer
    x = 1,267,014.34

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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.