Home / 1,308,967.70-1,963,476.15-410,389.54

Finding the Fourth Proportional to 1,308,967.70, 1,963,476.15 and 410,389.54

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Solution

The fourth proportional to 1,308,967.70, 1,963,476.15 and 410,389.54 is: 615,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,967.70 : 1,963,476.15 = 410,389.54 : x
  2. Step 2: Convert to fraction form
    1,308,967.70/1,963,476.15 = 410,389.54/x
  3. Step 3: Cross multiply
    1,308,967.70x = 1,963,476.15 × 410,389.54
  4. Step 4: Simplify right side
    1,308,967.70x = 805,790,067,551.82
  5. Step 5: Solve for x
    x = 805,790,067,551.82/1,308,967.70
  6. Step 6: Final answer
    x = 615,592.02

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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.