Home / 1,485,935.60-2,227,347.90-621,865.61

Finding the Fourth Proportional to 1,485,935.60, 2,227,347.90 and 621,865.61

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Solution

The fourth proportional to 1,485,935.60, 2,227,347.90 and 621,865.61 is: 932,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,935.60 : 2,227,347.90 = 621,865.61 : x
  2. Step 2: Convert to fraction form
    1,485,935.60/2,227,347.90 = 621,865.61/x
  3. Step 3: Cross multiply
    1,485,935.60x = 2,227,347.90 × 621,865.61
  4. Step 4: Simplify right side
    1,485,935.60x = 1,385,111,064,596.14
  5. Step 5: Solve for x
    x = 1,385,111,064,596.14/1,485,935.60
  6. Step 6: Final answer
    x = 932,147.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.