Home / 1,151,138.46-1,727,905.31-847,875.04

Finding the Fourth Proportional to 1,151,138.46, 1,727,905.31 and 847,875.04

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Solution

The fourth proportional to 1,151,138.46, 1,727,905.31 and 847,875.04 is: 1,272,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,138.46 : 1,727,905.31 = 847,875.04 : x
  2. Step 2: Convert to fraction form
    1,151,138.46/1,727,905.31 = 847,875.04/x
  3. Step 3: Cross multiply
    1,151,138.46x = 1,727,905.31 × 847,875.04
  4. Step 4: Simplify right side
    1,151,138.46x = 1,465,047,781,632.39
  5. Step 5: Solve for x
    x = 1,465,047,781,632.39/1,151,138.46
  6. Step 6: Final answer
    x = 1,272,694.67

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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.