Home / 1,521,443.02-2,099,656.97-842,379.50

Finding the Fourth Proportional to 1,521,443.02, 2,099,656.97 and 842,379.50

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Solution

The fourth proportional to 1,521,443.02, 2,099,656.97 and 842,379.50 is: 1,162,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,443.02 : 2,099,656.97 = 842,379.50 : x
  2. Step 2: Convert to fraction form
    1,521,443.02/2,099,656.97 = 842,379.50/x
  3. Step 3: Cross multiply
    1,521,443.02x = 2,099,656.97 × 842,379.50
  4. Step 4: Simplify right side
    1,521,443.02x = 1,768,707,988,560.12
  5. Step 5: Solve for x
    x = 1,768,707,988,560.12/1,521,443.02
  6. Step 6: Final answer
    x = 1,162,520.03

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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.