Home / 1,311,713.42-1,963,126.08-806,594.36

Finding the Fourth Proportional to 1,311,713.42, 1,963,126.08 and 806,594.36

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Solution

The fourth proportional to 1,311,713.42, 1,963,126.08 and 806,594.36 is: 1,207,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,713.42 : 1,963,126.08 = 806,594.36 : x
  2. Step 2: Convert to fraction form
    1,311,713.42/1,963,126.08 = 806,594.36/x
  3. Step 3: Cross multiply
    1,311,713.42x = 1,963,126.08 × 806,594.36
  4. Step 4: Simplify right side
    1,311,713.42x = 1,583,446,424,096.91
  5. Step 5: Solve for x
    x = 1,583,446,424,096.91/1,311,713.42
  6. Step 6: Final answer
    x = 1,207,158.82

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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.