Home / 1,879,432.06-2,819,148.10-459,471.28

Finding the Fourth Proportional to 1,879,432.06, 2,819,148.10 and 459,471.28

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Solution

The fourth proportional to 1,879,432.06, 2,819,148.10 and 459,471.28 is: 689,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,432.06 : 2,819,148.10 = 459,471.28 : x
  2. Step 2: Convert to fraction form
    1,879,432.06/2,819,148.10 = 459,471.28/x
  3. Step 3: Cross multiply
    1,879,432.06x = 2,819,148.10 × 459,471.28
  4. Step 4: Simplify right side
    1,879,432.06x = 1,295,317,586,016.57
  5. Step 5: Solve for x
    x = 1,295,317,586,016.57/1,879,432.06
  6. Step 6: Final answer
    x = 689,206.92

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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.