Home / 1,223,914.86-1,835,816.20-425,258.91

Finding the Fourth Proportional to 1,223,914.86, 1,835,816.20 and 425,258.91

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Solution

The fourth proportional to 1,223,914.86, 1,835,816.20 and 425,258.91 is: 637,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,914.86 : 1,835,816.20 = 425,258.91 : x
  2. Step 2: Convert to fraction form
    1,223,914.86/1,835,816.20 = 425,258.91/x
  3. Step 3: Cross multiply
    1,223,914.86x = 1,835,816.20 × 425,258.91
  4. Step 4: Simplify right side
    1,223,914.86x = 780,697,195,109.20
  5. Step 5: Solve for x
    x = 780,697,195,109.20/1,223,914.86
  6. Step 6: Final answer
    x = 637,868.88

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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.