Home / 1,493,490.25-2,061,172.07-920,515.69

Finding the Fourth Proportional to 1,493,490.25, 2,061,172.07 and 920,515.69

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Solution

The fourth proportional to 1,493,490.25, 2,061,172.07 and 920,515.69 is: 1,270,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,490.25 : 2,061,172.07 = 920,515.69 : x
  2. Step 2: Convert to fraction form
    1,493,490.25/2,061,172.07 = 920,515.69/x
  3. Step 3: Cross multiply
    1,493,490.25x = 2,061,172.07 × 920,515.69
  4. Step 4: Simplify right side
    1,493,490.25x = 1,897,341,230,224.78
  5. Step 5: Solve for x
    x = 1,897,341,230,224.78/1,493,490.25
  6. Step 6: Final answer
    x = 1,270,407.51

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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.