Home / 1,520,464.25-2,098,198.23-900,300.59

Finding the Fourth Proportional to 1,520,464.25, 2,098,198.23 and 900,300.59

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Solution

The fourth proportional to 1,520,464.25, 2,098,198.23 and 900,300.59 is: 1,242,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,464.25 : 2,098,198.23 = 900,300.59 : x
  2. Step 2: Convert to fraction form
    1,520,464.25/2,098,198.23 = 900,300.59/x
  3. Step 3: Cross multiply
    1,520,464.25x = 2,098,198.23 × 900,300.59
  4. Step 4: Simplify right side
    1,520,464.25x = 1,889,009,107,897.15
  5. Step 5: Solve for x
    x = 1,889,009,107,897.15/1,520,464.25
  6. Step 6: Final answer
    x = 1,242,389.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.