Home / 1,545,808.60-2,133,216.78-942,196.60

Finding the Fourth Proportional to 1,545,808.60, 2,133,216.78 and 942,196.60

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Solution

The fourth proportional to 1,545,808.60, 2,133,216.78 and 942,196.60 is: 1,300,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,808.60 : 2,133,216.78 = 942,196.60 : x
  2. Step 2: Convert to fraction form
    1,545,808.60/2,133,216.78 = 942,196.60/x
  3. Step 3: Cross multiply
    1,545,808.60x = 2,133,216.78 × 942,196.60
  4. Step 4: Simplify right side
    1,545,808.60x = 2,009,909,597,178.95
  5. Step 5: Solve for x
    x = 2,009,909,597,178.95/1,545,808.60
  6. Step 6: Final answer
    x = 1,300,231.86

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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.