Home / 1,302,712.80-1,955,624.40-734,546.40

Finding the Fourth Proportional to 1,302,712.80, 1,955,624.40 and 734,546.40

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Solution

The fourth proportional to 1,302,712.80, 1,955,624.40 and 734,546.40 is: 1,102,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,712.80 : 1,955,624.40 = 734,546.40 : x
  2. Step 2: Convert to fraction form
    1,302,712.80/1,955,624.40 = 734,546.40/x
  3. Step 3: Cross multiply
    1,302,712.80x = 1,955,624.40 × 734,546.40
  4. Step 4: Simplify right side
    1,302,712.80x = 1,436,496,862,772.16
  5. Step 5: Solve for x
    x = 1,436,496,862,772.16/1,302,712.80
  6. Step 6: Final answer
    x = 1,102,696.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.