Home / 1,383,409.13-1,909,104.60-747,505.13

Finding the Fourth Proportional to 1,383,409.13, 1,909,104.60 and 747,505.13

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Solution

The fourth proportional to 1,383,409.13, 1,909,104.60 and 747,505.13 is: 1,031,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,409.13 : 1,909,104.60 = 747,505.13 : x
  2. Step 2: Convert to fraction form
    1,383,409.13/1,909,104.60 = 747,505.13/x
  3. Step 3: Cross multiply
    1,383,409.13x = 1,909,104.60 × 747,505.13
  4. Step 4: Simplify right side
    1,383,409.13x = 1,427,065,472,661.08
  5. Step 5: Solve for x
    x = 1,427,065,472,661.08/1,383,409.13
  6. Step 6: Final answer
    x = 1,031,557.08

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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.