Home / 1,208,898.30-1,813,793.85-498,987.90

Finding the Fourth Proportional to 1,208,898.30, 1,813,793.85 and 498,987.90

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Solution

The fourth proportional to 1,208,898.30, 1,813,793.85 and 498,987.90 is: 748,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,898.30 : 1,813,793.85 = 498,987.90 : x
  2. Step 2: Convert to fraction form
    1,208,898.30/1,813,793.85 = 498,987.90/x
  3. Step 3: Cross multiply
    1,208,898.30x = 1,813,793.85 × 498,987.90
  4. Step 4: Simplify right side
    1,208,898.30x = 905,061,184,244.42
  5. Step 5: Solve for x
    x = 905,061,184,244.42/1,208,898.30
  6. Step 6: Final answer
    x = 748,666.11

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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.