Home / 1,308,631.38-1,962,947.85-410,143.14

Finding the Fourth Proportional to 1,308,631.38, 1,962,947.85 and 410,143.14

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Solution

The fourth proportional to 1,308,631.38, 1,962,947.85 and 410,143.14 is: 615,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,631.38 : 1,962,947.85 = 410,143.14 : x
  2. Step 2: Convert to fraction form
    1,308,631.38/1,962,947.85 = 410,143.14/x
  3. Step 3: Cross multiply
    1,308,631.38x = 1,962,947.85 × 410,143.14
  4. Step 4: Simplify right side
    1,308,631.38x = 805,089,594,855.25
  5. Step 5: Solve for x
    x = 805,089,594,855.25/1,308,631.38
  6. Step 6: Final answer
    x = 615,214.95

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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.