Home / 1,396,388.10-2,094,582.15-918,091.20

Finding the Fourth Proportional to 1,396,388.10, 2,094,582.15 and 918,091.20

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Solution

The fourth proportional to 1,396,388.10, 2,094,582.15 and 918,091.20 is: 1,377,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,388.10 : 2,094,582.15 = 918,091.20 : x
  2. Step 2: Convert to fraction form
    1,396,388.10/2,094,582.15 = 918,091.20/x
  3. Step 3: Cross multiply
    1,396,388.10x = 2,094,582.15 × 918,091.20
  4. Step 4: Simplify right side
    1,396,388.10x = 1,923,017,439,592.08
  5. Step 5: Solve for x
    x = 1,923,017,439,592.08/1,396,388.10
  6. Step 6: Final answer
    x = 1,377,136.80

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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.