Home / 1,222,814.16-1,834,190.52-424,667.60

Finding the Fourth Proportional to 1,222,814.16, 1,834,190.52 and 424,667.60

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Solution

The fourth proportional to 1,222,814.16, 1,834,190.52 and 424,667.60 is: 636,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,814.16 : 1,834,190.52 = 424,667.60 : x
  2. Step 2: Convert to fraction form
    1,222,814.16/1,834,190.52 = 424,667.60/x
  3. Step 3: Cross multiply
    1,222,814.16x = 1,834,190.52 × 424,667.60
  4. Step 4: Simplify right side
    1,222,814.16x = 778,921,286,071.15
  5. Step 5: Solve for x
    x = 778,921,286,071.15/1,222,814.16
  6. Step 6: Final answer
    x = 636,990.73

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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.