Home / 1,379,449.25-1,902,561.53-896,170.10

Finding the Fourth Proportional to 1,379,449.25, 1,902,561.53 and 896,170.10

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Solution

The fourth proportional to 1,379,449.25, 1,902,561.53 and 896,170.10 is: 1,236,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,449.25 : 1,902,561.53 = 896,170.10 : x
  2. Step 2: Convert to fraction form
    1,379,449.25/1,902,561.53 = 896,170.10/x
  3. Step 3: Cross multiply
    1,379,449.25x = 1,902,561.53 × 896,170.10
  4. Step 4: Simplify right side
    1,379,449.25x = 1,705,018,763,696.41
  5. Step 5: Solve for x
    x = 1,705,018,763,696.41/1,379,449.25
  6. Step 6: Final answer
    x = 1,236,014.13

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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.