Home / 1,017,238.75-1,404,954.55-669,931.70

Finding the Fourth Proportional to 1,017,238.75, 1,404,954.55 and 669,931.70

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Solution

The fourth proportional to 1,017,238.75, 1,404,954.55 and 669,931.70 is: 925,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,238.75 : 1,404,954.55 = 669,931.70 : x
  2. Step 2: Convert to fraction form
    1,017,238.75/1,404,954.55 = 669,931.70/x
  3. Step 3: Cross multiply
    1,017,238.75x = 1,404,954.55 × 669,931.70
  4. Step 4: Simplify right side
    1,017,238.75x = 941,223,595,771.18
  5. Step 5: Solve for x
    x = 941,223,595,771.18/1,017,238.75
  6. Step 6: Final answer
    x = 925,273.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.