Home / 1,203,931.20-1,806,917.40-494,468.40

Finding the Fourth Proportional to 1,203,931.20, 1,806,917.40 and 494,468.40

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Solution

The fourth proportional to 1,203,931.20, 1,806,917.40 and 494,468.40 is: 742,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,931.20 : 1,806,917.40 = 494,468.40 : x
  2. Step 2: Convert to fraction form
    1,203,931.20/1,806,917.40 = 494,468.40/x
  3. Step 3: Cross multiply
    1,203,931.20x = 1,806,917.40 × 494,468.40
  4. Step 4: Simplify right side
    1,203,931.20x = 893,463,555,710.16
  5. Step 5: Solve for x
    x = 893,463,555,710.16/1,203,931.20
  6. Step 6: Final answer
    x = 742,121.77

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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.