Home / 1,311,404.48-1,966,934.49-412,850.93

Finding the Fourth Proportional to 1,311,404.48, 1,966,934.49 and 412,850.93

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Solution

The fourth proportional to 1,311,404.48, 1,966,934.49 and 412,850.93 is: 619,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,404.48 : 1,966,934.49 = 412,850.93 : x
  2. Step 2: Convert to fraction form
    1,311,404.48/1,966,934.49 = 412,850.93/x
  3. Step 3: Cross multiply
    1,311,404.48x = 1,966,934.49 × 412,850.93
  4. Step 4: Simplify right side
    1,311,404.48x = 812,050,724,385.00
  5. Step 5: Solve for x
    x = 812,050,724,385.00/1,311,404.48
  6. Step 6: Final answer
    x = 619,222.17

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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.