Home / 1,486,872.10-2,051,964.60-842,417.87

Finding the Fourth Proportional to 1,486,872.10, 2,051,964.60 and 842,417.87

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Solution

The fourth proportional to 1,486,872.10, 2,051,964.60 and 842,417.87 is: 1,162,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,872.10 : 2,051,964.60 = 842,417.87 : x
  2. Step 2: Convert to fraction form
    1,486,872.10/2,051,964.60 = 842,417.87/x
  3. Step 3: Cross multiply
    1,486,872.10x = 2,051,964.60 × 842,417.87
  4. Step 4: Simplify right side
    1,486,872.10x = 1,728,611,645,770.81
  5. Step 5: Solve for x
    x = 1,728,611,645,770.81/1,486,872.10
  6. Step 6: Final answer
    x = 1,162,582.61

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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.