Home / 1,008,903.18-1,513,441.62-289,247.74

Finding the Fourth Proportional to 1,008,903.18, 1,513,441.62 and 289,247.74

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Solution

The fourth proportional to 1,008,903.18, 1,513,441.62 and 289,247.74 is: 433,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,903.18 : 1,513,441.62 = 289,247.74 : x
  2. Step 2: Convert to fraction form
    1,008,903.18/1,513,441.62 = 289,247.74/x
  3. Step 3: Cross multiply
    1,008,903.18x = 1,513,441.62 × 289,247.74
  4. Step 4: Simplify right side
    1,008,903.18x = 437,759,568,206.94
  5. Step 5: Solve for x
    x = 437,759,568,206.94/1,008,903.18
  6. Step 6: Final answer
    x = 433,896.51

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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.