Home / 1,013,942.50-1,399,394.34-578,357.71

Finding the Fourth Proportional to 1,013,942.50, 1,399,394.34 and 578,357.71

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Solution

The fourth proportional to 1,013,942.50, 1,399,394.34 and 578,357.71 is: 798,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,942.50 : 1,399,394.34 = 578,357.71 : x
  2. Step 2: Convert to fraction form
    1,013,942.50/1,399,394.34 = 578,357.71/x
  3. Step 3: Cross multiply
    1,013,942.50x = 1,399,394.34 × 578,357.71
  4. Step 4: Simplify right side
    1,013,942.50x = 809,350,505,869.36
  5. Step 5: Solve for x
    x = 809,350,505,869.36/1,013,942.50
  6. Step 6: Final answer
    x = 798,221.31

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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.