Home / 1,192,104.79-1,649,436.60-1,039,461.07

Finding the Fourth Proportional to 1,192,104.79, 1,649,436.60 and 1,039,461.07

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Solution

The fourth proportional to 1,192,104.79, 1,649,436.60 and 1,039,461.07 is: 1,438,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,104.79 : 1,649,436.60 = 1,039,461.07 : x
  2. Step 2: Convert to fraction form
    1,192,104.79/1,649,436.60 = 1,039,461.07/x
  3. Step 3: Cross multiply
    1,192,104.79x = 1,649,436.60 × 1,039,461.07
  4. Step 4: Simplify right side
    1,192,104.79x = 1,714,525,130,153.27
  5. Step 5: Solve for x
    x = 1,714,525,130,153.27/1,192,104.79
  6. Step 6: Final answer
    x = 1,438,233.57

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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.