Home / 1,521,455.38-2,099,674.02-842,391.88

Finding the Fourth Proportional to 1,521,455.38, 2,099,674.02 and 842,391.88

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Solution

The fourth proportional to 1,521,455.38, 2,099,674.02 and 842,391.88 is: 1,162,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,455.38 : 2,099,674.02 = 842,391.88 : x
  2. Step 2: Convert to fraction form
    1,521,455.38/2,099,674.02 = 842,391.88/x
  3. Step 3: Cross multiply
    1,521,455.38x = 2,099,674.02 × 842,391.88
  4. Step 4: Simplify right side
    1,521,455.38x = 1,768,748,345,094.96
  5. Step 5: Solve for x
    x = 1,768,748,345,094.96/1,521,455.38
  6. Step 6: Final answer
    x = 1,162,537.11

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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.