Home / 1,138,713.87-1,571,581.40-655,269.15

Finding the Fourth Proportional to 1,138,713.87, 1,571,581.40 and 655,269.15

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Solution

The fourth proportional to 1,138,713.87, 1,571,581.40 and 655,269.15 is: 904,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,713.87 : 1,571,581.40 = 655,269.15 : x
  2. Step 2: Convert to fraction form
    1,138,713.87/1,571,581.40 = 655,269.15/x
  3. Step 3: Cross multiply
    1,138,713.87x = 1,571,581.40 × 655,269.15
  4. Step 4: Simplify right side
    1,138,713.87x = 1,029,808,804,857.46
  5. Step 5: Solve for x
    x = 1,029,808,804,857.46/1,138,713.87
  6. Step 6: Final answer
    x = 904,361.34

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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.