Home / 1,221,983.77-1,832,975.52-380,601.13

Finding the Fourth Proportional to 1,221,983.77, 1,832,975.52 and 380,601.13

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Solution

The fourth proportional to 1,221,983.77, 1,832,975.52 and 380,601.13 is: 570,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,983.77 : 1,832,975.52 = 380,601.13 : x
  2. Step 2: Convert to fraction form
    1,221,983.77/1,832,975.52 = 380,601.13/x
  3. Step 3: Cross multiply
    1,221,983.77x = 1,832,975.52 × 380,601.13
  4. Step 4: Simplify right side
    1,221,983.77x = 697,632,554,174.34
  5. Step 5: Solve for x
    x = 697,632,554,174.34/1,221,983.77
  6. Step 6: Final answer
    x = 570,901.65

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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.