Home / 1,682,471.79-2,321,798.85-918,525.15

Finding the Fourth Proportional to 1,682,471.79, 2,321,798.85 and 918,525.15

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Solution

The fourth proportional to 1,682,471.79, 2,321,798.85 and 918,525.15 is: 1,267,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,471.79 : 2,321,798.85 = 918,525.15 : x
  2. Step 2: Convert to fraction form
    1,682,471.79/2,321,798.85 = 918,525.15/x
  3. Step 3: Cross multiply
    1,682,471.79x = 2,321,798.85 × 918,525.15
  4. Step 4: Simplify right side
    1,682,471.79x = 2,132,630,636,966.08
  5. Step 5: Solve for x
    x = 2,132,630,636,966.08/1,682,471.79
  6. Step 6: Final answer
    x = 1,267,558.04

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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.