Home / 1,190,264.73-1,785,464.52-380,720.22

Finding the Fourth Proportional to 1,190,264.73, 1,785,464.52 and 380,720.22

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Solution

The fourth proportional to 1,190,264.73, 1,785,464.52 and 380,720.22 is: 571,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,264.73 : 1,785,464.52 = 380,720.22 : x
  2. Step 2: Convert to fraction form
    1,190,264.73/1,785,464.52 = 380,720.22/x
  3. Step 3: Cross multiply
    1,190,264.73x = 1,785,464.52 × 380,720.22
  4. Step 4: Simplify right side
    1,190,264.73x = 679,762,444,856.59
  5. Step 5: Solve for x
    x = 679,762,444,856.59/1,190,264.73
  6. Step 6: Final answer
    x = 571,101.90

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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.