Home / 1,486,883.70-2,051,913.96-842,290.11

Finding the Fourth Proportional to 1,486,883.70, 2,051,913.96 and 842,290.11

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Solution

The fourth proportional to 1,486,883.70, 2,051,913.96 and 842,290.11 is: 1,162,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,883.70 : 2,051,913.96 = 842,290.11 : x
  2. Step 2: Convert to fraction form
    1,486,883.70/2,051,913.96 = 842,290.11/x
  3. Step 3: Cross multiply
    1,486,883.70x = 2,051,913.96 × 842,290.11
  4. Step 4: Simplify right side
    1,486,883.70x = 1,728,306,835,078.94
  5. Step 5: Solve for x
    x = 1,728,306,835,078.94/1,486,883.70
  6. Step 6: Final answer
    x = 1,162,368.54

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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.