Home / 984,515.40-1,475,882.10-685,139.40

Finding the Fourth Proportional to 984,515.40, 1,475,882.10 and 685,139.40

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Solution

The fourth proportional to 984,515.40, 1,475,882.10 and 685,139.40 is: 1,027,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,515.40 : 1,475,882.10 = 685,139.40 : x
  2. Step 2: Convert to fraction form
    984,515.40/1,475,882.10 = 685,139.40/x
  3. Step 3: Cross multiply
    984,515.40x = 1,475,882.10 × 685,139.40
  4. Step 4: Simplify right side
    984,515.40x = 1,011,184,976,464.74
  5. Step 5: Solve for x
    x = 1,011,184,976,464.74/984,515.40
  6. Step 6: Final answer
    x = 1,027,089.04

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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.