Home / 1,308,815.78-1,963,166.57-410,237.02

Finding the Fourth Proportional to 1,308,815.78, 1,963,166.57 and 410,237.02

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Solution

The fourth proportional to 1,308,815.78, 1,963,166.57 and 410,237.02 is: 615,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,815.78 : 1,963,166.57 = 410,237.02 : x
  2. Step 2: Convert to fraction form
    1,308,815.78/1,963,166.57 = 410,237.02/x
  3. Step 3: Cross multiply
    1,308,815.78x = 1,963,166.57 × 410,237.02
  4. Step 4: Simplify right side
    1,308,815.78x = 805,363,591,573.40
  5. Step 5: Solve for x
    x = 805,363,591,573.40/1,308,815.78
  6. Step 6: Final answer
    x = 615,337.62

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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.