Home / 1,059,572.91-1,589,188.86-290,891.28

Finding the Fourth Proportional to 1,059,572.91, 1,589,188.86 and 290,891.28

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Solution

The fourth proportional to 1,059,572.91, 1,589,188.86 and 290,891.28 is: 436,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,572.91 : 1,589,188.86 = 290,891.28 : x
  2. Step 2: Convert to fraction form
    1,059,572.91/1,589,188.86 = 290,891.28/x
  3. Step 3: Cross multiply
    1,059,572.91x = 1,589,188.86 × 290,891.28
  4. Step 4: Simplify right side
    1,059,572.91x = 462,281,181,647.14
  5. Step 5: Solve for x
    x = 462,281,181,647.14/1,059,572.91
  6. Step 6: Final answer
    x = 436,290.11

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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.