Home / 1,127,141.18-1,686,720.72-700,877.73

Finding the Fourth Proportional to 1,127,141.18, 1,686,720.72 and 700,877.73

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Solution

The fourth proportional to 1,127,141.18, 1,686,720.72 and 700,877.73 is: 1,048,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,141.18 : 1,686,720.72 = 700,877.73 : x
  2. Step 2: Convert to fraction form
    1,127,141.18/1,686,720.72 = 700,877.73/x
  3. Step 3: Cross multiply
    1,127,141.18x = 1,686,720.72 × 700,877.73
  4. Step 4: Simplify right side
    1,127,141.18x = 1,182,184,989,377.57
  5. Step 5: Solve for x
    x = 1,182,184,989,377.57/1,127,141.18
  6. Step 6: Final answer
    x = 1,048,834.88

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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.