Home / 1,486,816.47-2,051,848.71-842,236.47

Finding the Fourth Proportional to 1,486,816.47, 2,051,848.71 and 842,236.47

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Solution

The fourth proportional to 1,486,816.47, 2,051,848.71 and 842,236.47 is: 1,162,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,816.47 : 2,051,848.71 = 842,236.47 : x
  2. Step 2: Convert to fraction form
    1,486,816.47/2,051,848.71 = 842,236.47/x
  3. Step 3: Cross multiply
    1,486,816.47x = 2,051,848.71 × 842,236.47
  4. Step 4: Simplify right side
    1,486,816.47x = 1,728,141,814,484.45
  5. Step 5: Solve for x
    x = 1,728,141,814,484.45/1,486,816.47
  6. Step 6: Final answer
    x = 1,162,310.11

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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.