Home / 1,119,822.40-1,545,288.33-636,320.44

Finding the Fourth Proportional to 1,119,822.40, 1,545,288.33 and 636,320.44

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Solution

The fourth proportional to 1,119,822.40, 1,545,288.33 and 636,320.44 is: 878,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,822.40 : 1,545,288.33 = 636,320.44 : x
  2. Step 2: Convert to fraction form
    1,119,822.40/1,545,288.33 = 636,320.44/x
  3. Step 3: Cross multiply
    1,119,822.40x = 1,545,288.33 × 636,320.44
  4. Step 4: Simplify right side
    1,119,822.40x = 983,298,550,072.47
  5. Step 5: Solve for x
    x = 983,298,550,072.47/1,119,822.40
  6. Step 6: Final answer
    x = 878,084.37

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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.