Home / 1,154,172.24-1,739,136.42-948,419.28

Finding the Fourth Proportional to 1,154,172.24, 1,739,136.42 and 948,419.28

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Solution

The fourth proportional to 1,154,172.24, 1,739,136.42 and 948,419.28 is: 1,429,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,172.24 : 1,739,136.42 = 948,419.28 : x
  2. Step 2: Convert to fraction form
    1,154,172.24/1,739,136.42 = 948,419.28/x
  3. Step 3: Cross multiply
    1,154,172.24x = 1,739,136.42 × 948,419.28
  4. Step 4: Simplify right side
    1,154,172.24x = 1,649,430,511,278.18
  5. Step 5: Solve for x
    x = 1,649,430,511,278.18/1,154,172.24
  6. Step 6: Final answer
    x = 1,429,102.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.