Home / 1,991,113.04-2,986,680.36-495,205.04

Finding the Fourth Proportional to 1,991,113.04, 2,986,680.36 and 495,205.04

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Solution

The fourth proportional to 1,991,113.04, 2,986,680.36 and 495,205.04 is: 742,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,113.04 : 2,986,680.36 = 495,205.04 : x
  2. Step 2: Convert to fraction form
    1,991,113.04/2,986,680.36 = 495,205.04/x
  3. Step 3: Cross multiply
    1,991,113.04x = 2,986,680.36 × 495,205.04
  4. Step 4: Simplify right side
    1,991,113.04x = 1,479,019,167,141.01
  5. Step 5: Solve for x
    x = 1,479,019,167,141.01/1,991,113.04
  6. Step 6: Final answer
    x = 742,810.25

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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.