Home / 1,227,923.94-1,842,135.02-386,279.94

Finding the Fourth Proportional to 1,227,923.94, 1,842,135.02 and 386,279.94

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Solution

The fourth proportional to 1,227,923.94, 1,842,135.02 and 386,279.94 is: 579,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,923.94 : 1,842,135.02 = 386,279.94 : x
  2. Step 2: Convert to fraction form
    1,227,923.94/1,842,135.02 = 386,279.94/x
  3. Step 3: Cross multiply
    1,227,923.94x = 1,842,135.02 × 386,279.94
  4. Step 4: Simplify right side
    1,227,923.94x = 711,579,804,997.50
  5. Step 5: Solve for x
    x = 711,579,804,997.50/1,227,923.94
  6. Step 6: Final answer
    x = 579,498.27

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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.