Home / 1,127,140.18-1,686,719.23-700,876.73

Finding the Fourth Proportional to 1,127,140.18, 1,686,719.23 and 700,876.73

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Solution

The fourth proportional to 1,127,140.18, 1,686,719.23 and 700,876.73 is: 1,048,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,140.18 : 1,686,719.23 = 700,876.73 : x
  2. Step 2: Convert to fraction form
    1,127,140.18/1,686,719.23 = 700,876.73/x
  3. Step 3: Cross multiply
    1,127,140.18x = 1,686,719.23 × 700,876.73
  4. Step 4: Simplify right side
    1,127,140.18x = 1,182,182,260,815.12
  5. Step 5: Solve for x
    x = 1,182,182,260,815.12/1,127,140.18
  6. Step 6: Final answer
    x = 1,048,833.40

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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.