Home / 1,585,529.40-2,188,019.46-860,358.70

Finding the Fourth Proportional to 1,585,529.40, 2,188,019.46 and 860,358.70

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Solution

The fourth proportional to 1,585,529.40, 2,188,019.46 and 860,358.70 is: 1,187,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,529.40 : 2,188,019.46 = 860,358.70 : x
  2. Step 2: Convert to fraction form
    1,585,529.40/2,188,019.46 = 860,358.70/x
  3. Step 3: Cross multiply
    1,585,529.40x = 2,188,019.46 × 860,358.70
  4. Step 4: Simplify right side
    1,585,529.40x = 1,882,481,578,180.30
  5. Step 5: Solve for x
    x = 1,882,481,578,180.30/1,585,529.40
  6. Step 6: Final answer
    x = 1,187,288.98

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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.