Home / 1,520,260.22-2,281,288.86-561,387.42

Finding the Fourth Proportional to 1,520,260.22, 2,281,288.86 and 561,387.42

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Solution

The fourth proportional to 1,520,260.22, 2,281,288.86 and 561,387.42 is: 842,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,260.22 : 2,281,288.86 = 561,387.42 : x
  2. Step 2: Convert to fraction form
    1,520,260.22/2,281,288.86 = 561,387.42/x
  3. Step 3: Cross multiply
    1,520,260.22x = 2,281,288.86 × 561,387.42
  4. Step 4: Simplify right side
    1,520,260.22x = 1,280,686,867,390.14
  5. Step 5: Solve for x
    x = 1,280,686,867,390.14/1,520,260.22
  6. Step 6: Final answer
    x = 842,412.93

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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.