Home / 1,140,247.30-1,706,963.46-689,605

Finding the Fourth Proportional to 1,140,247.30, 1,706,963.46 and 689,605

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Solution

The fourth proportional to 1,140,247.30, 1,706,963.46 and 689,605 is: 1,032,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,247.30 : 1,706,963.46 = 689,605 : x
  2. Step 2: Convert to fraction form
    1,140,247.30/1,706,963.46 = 689,605/x
  3. Step 3: Cross multiply
    1,140,247.30x = 1,706,963.46 × 689,605
  4. Step 4: Simplify right side
    1,140,247.30x = 1,177,130,536,833.30
  5. Step 5: Solve for x
    x = 1,177,130,536,833.30/1,140,247.30
  6. Step 6: Final answer
    x = 1,032,346.70

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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.