Home / 1,208,369.78-1,812,437.49-366,928.82

Finding the Fourth Proportional to 1,208,369.78, 1,812,437.49 and 366,928.82

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Solution

The fourth proportional to 1,208,369.78, 1,812,437.49 and 366,928.82 is: 550,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,369.78 : 1,812,437.49 = 366,928.82 : x
  2. Step 2: Convert to fraction form
    1,208,369.78/1,812,437.49 = 366,928.82/x
  3. Step 3: Cross multiply
    1,208,369.78x = 1,812,437.49 × 366,928.82
  4. Step 4: Simplify right side
    1,208,369.78x = 665,035,549,529.46
  5. Step 5: Solve for x
    x = 665,035,549,529.46/1,208,369.78
  6. Step 6: Final answer
    x = 550,357.65

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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.