Home / 1,521,586.66-2,099,763.92-842,508.58

Finding the Fourth Proportional to 1,521,586.66, 2,099,763.92 and 842,508.58

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Solution

The fourth proportional to 1,521,586.66, 2,099,763.92 and 842,508.58 is: 1,162,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,586.66 : 2,099,763.92 = 842,508.58 : x
  2. Step 2: Convert to fraction form
    1,521,586.66/2,099,763.92 = 842,508.58/x
  3. Step 3: Cross multiply
    1,521,586.66x = 2,099,763.92 × 842,508.58
  4. Step 4: Simplify right side
    1,521,586.66x = 1,769,069,118,574.43
  5. Step 5: Solve for x
    x = 1,769,069,118,574.43/1,521,586.66
  6. Step 6: Final answer
    x = 1,162,647.63

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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.