Home / 1,149,572.88-1,586,459.25-640,275.21

Finding the Fourth Proportional to 1,149,572.88, 1,586,459.25 and 640,275.21

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Solution

The fourth proportional to 1,149,572.88, 1,586,459.25 and 640,275.21 is: 883,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,572.88 : 1,586,459.25 = 640,275.21 : x
  2. Step 2: Convert to fraction form
    1,149,572.88/1,586,459.25 = 640,275.21/x
  3. Step 3: Cross multiply
    1,149,572.88x = 1,586,459.25 × 640,275.21
  4. Step 4: Simplify right side
    1,149,572.88x = 1,015,770,529,450.19
  5. Step 5: Solve for x
    x = 1,015,770,529,450.19/1,149,572.88
  6. Step 6: Final answer
    x = 883,606.90

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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.