Home / 1,009,006.70-1,392,428.83-550,121.65

Finding the Fourth Proportional to 1,009,006.70, 1,392,428.83 and 550,121.65

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Solution

The fourth proportional to 1,009,006.70, 1,392,428.83 and 550,121.65 is: 759,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,006.70 : 1,392,428.83 = 550,121.65 : x
  2. Step 2: Convert to fraction form
    1,009,006.70/1,392,428.83 = 550,121.65/x
  3. Step 3: Cross multiply
    1,009,006.70x = 1,392,428.83 × 550,121.65
  4. Step 4: Simplify right side
    1,009,006.70x = 766,005,240,610.79
  5. Step 5: Solve for x
    x = 766,005,240,610.79/1,009,006.70
  6. Step 6: Final answer
    x = 759,167.65

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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.