Home / 1,727,555.45-2,587,863.81-860,378.06

Finding the Fourth Proportional to 1,727,555.45, 2,587,863.81 and 860,378.06

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Solution

The fourth proportional to 1,727,555.45, 2,587,863.81 and 860,378.06 is: 1,288,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,555.45 : 2,587,863.81 = 860,378.06 : x
  2. Step 2: Convert to fraction form
    1,727,555.45/2,587,863.81 = 860,378.06/x
  3. Step 3: Cross multiply
    1,727,555.45x = 2,587,863.81 × 860,378.06
  4. Step 4: Simplify right side
    1,727,555.45x = 2,226,541,244,392.01
  5. Step 5: Solve for x
    x = 2,226,541,244,392.01/1,727,555.45
  6. Step 6: Final answer
    x = 1,288,839.23

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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.