Home / 1,308,815.28-1,963,165.82-410,236.52

Finding the Fourth Proportional to 1,308,815.28, 1,963,165.82 and 410,236.52

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Solution

The fourth proportional to 1,308,815.28, 1,963,165.82 and 410,236.52 is: 615,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,815.28 : 1,963,165.82 = 410,236.52 : x
  2. Step 2: Convert to fraction form
    1,308,815.28/1,963,165.82 = 410,236.52/x
  3. Step 3: Cross multiply
    1,308,815.28x = 1,963,165.82 × 410,236.52
  4. Step 4: Simplify right side
    1,308,815.28x = 805,362,302,312.74
  5. Step 5: Solve for x
    x = 805,362,302,312.74/1,308,815.28
  6. Step 6: Final answer
    x = 615,336.87

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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.