Home / 1,141,221.50-1,574,866.42-631,912.94

Finding the Fourth Proportional to 1,141,221.50, 1,574,866.42 and 631,912.94

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Solution

The fourth proportional to 1,141,221.50, 1,574,866.42 and 631,912.94 is: 872,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,221.50 : 1,574,866.42 = 631,912.94 : x
  2. Step 2: Convert to fraction form
    1,141,221.50/1,574,866.42 = 631,912.94/x
  3. Step 3: Cross multiply
    1,141,221.50x = 1,574,866.42 × 631,912.94
  4. Step 4: Simplify right side
    1,141,221.50x = 995,178,460,115.36
  5. Step 5: Solve for x
    x = 995,178,460,115.36/1,141,221.50
  6. Step 6: Final answer
    x = 872,029.19

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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.