Home / 1,209,832.80-1,814,230.80-499,624.80

Finding the Fourth Proportional to 1,209,832.80, 1,814,230.80 and 499,624.80

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Solution

The fourth proportional to 1,209,832.80, 1,814,230.80 and 499,624.80 is: 749,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,832.80 : 1,814,230.80 = 499,624.80 : x
  2. Step 2: Convert to fraction form
    1,209,832.80/1,814,230.80 = 499,624.80/x
  3. Step 3: Cross multiply
    1,209,832.80x = 1,814,230.80 × 499,624.80
  4. Step 4: Simplify right side
    1,209,832.80x = 906,434,700,603.84
  5. Step 5: Solve for x
    x = 906,434,700,603.84/1,209,832.80
  6. Step 6: Final answer
    x = 749,223.12

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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.