Home / 1,617,091.20-2,425,636.80-495,158.40

Finding the Fourth Proportional to 1,617,091.20, 2,425,636.80 and 495,158.40

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Solution

The fourth proportional to 1,617,091.20, 2,425,636.80 and 495,158.40 is: 742,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,091.20 : 2,425,636.80 = 495,158.40 : x
  2. Step 2: Convert to fraction form
    1,617,091.20/2,425,636.80 = 495,158.40/x
  3. Step 3: Cross multiply
    1,617,091.20x = 2,425,636.80 × 495,158.40
  4. Step 4: Simplify right side
    1,617,091.20x = 1,201,074,436,869.12
  5. Step 5: Solve for x
    x = 1,201,074,436,869.12/1,617,091.20
  6. Step 6: Final answer
    x = 742,737.60

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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.