Home / 1,359,189.12-2,038,811.76-494,594.40

Finding the Fourth Proportional to 1,359,189.12, 2,038,811.76 and 494,594.40

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Solution

The fourth proportional to 1,359,189.12, 2,038,811.76 and 494,594.40 is: 741,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,189.12 : 2,038,811.76 = 494,594.40 : x
  2. Step 2: Convert to fraction form
    1,359,189.12/2,038,811.76 = 494,594.40/x
  3. Step 3: Cross multiply
    1,359,189.12x = 2,038,811.76 × 494,594.40
  4. Step 4: Simplify right side
    1,359,189.12x = 1,008,384,879,150.14
  5. Step 5: Solve for x
    x = 1,008,384,879,150.14/1,359,189.12
  6. Step 6: Final answer
    x = 741,901.82

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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.