Home / 1,555,052.40-2,145,993.72-866,705.04

Finding the Fourth Proportional to 1,555,052.40, 2,145,993.72 and 866,705.04

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Solution

The fourth proportional to 1,555,052.40, 2,145,993.72 and 866,705.04 is: 1,196,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,052.40 : 2,145,993.72 = 866,705.04 : x
  2. Step 2: Convert to fraction form
    1,555,052.40/2,145,993.72 = 866,705.04/x
  3. Step 3: Cross multiply
    1,555,052.40x = 2,145,993.72 × 866,705.04
  4. Step 4: Simplify right side
    1,555,052.40x = 1,859,943,572,932.35
  5. Step 5: Solve for x
    x = 1,859,943,572,932.35/1,555,052.40
  6. Step 6: Final answer
    x = 1,196,064.89

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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.