Home / 1,308,639.75-1,962,960.08-410,151.20

Finding the Fourth Proportional to 1,308,639.75, 1,962,960.08 and 410,151.20

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Solution

The fourth proportional to 1,308,639.75, 1,962,960.08 and 410,151.20 is: 615,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,639.75 : 1,962,960.08 = 410,151.20 : x
  2. Step 2: Convert to fraction form
    1,308,639.75/1,962,960.08 = 410,151.20/x
  3. Step 3: Cross multiply
    1,308,639.75x = 1,962,960.08 × 410,151.20
  4. Step 4: Simplify right side
    1,308,639.75x = 805,110,432,364.10
  5. Step 5: Solve for x
    x = 805,110,432,364.10/1,308,639.75
  6. Step 6: Final answer
    x = 615,226.94

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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.