Home / 1,355,868.78-1,871,036.19-744,006.12

Finding the Fourth Proportional to 1,355,868.78, 1,871,036.19 and 744,006.12

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Solution

The fourth proportional to 1,355,868.78, 1,871,036.19 and 744,006.12 is: 1,026,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,868.78 : 1,871,036.19 = 744,006.12 : x
  2. Step 2: Convert to fraction form
    1,355,868.78/1,871,036.19 = 744,006.12/x
  3. Step 3: Cross multiply
    1,355,868.78x = 1,871,036.19 × 744,006.12
  4. Step 4: Simplify right side
    1,355,868.78x = 1,392,062,376,101.48
  5. Step 5: Solve for x
    x = 1,392,062,376,101.48/1,355,868.78
  6. Step 6: Final answer
    x = 1,026,694.03

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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.