Home / 1,149,050-1,585,699.94-639,763.31

Finding the Fourth Proportional to 1,149,050, 1,585,699.94 and 639,763.31

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Solution

The fourth proportional to 1,149,050, 1,585,699.94 and 639,763.31 is: 882,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,050 : 1,585,699.94 = 639,763.31 : x
  2. Step 2: Convert to fraction form
    1,149,050/1,585,699.94 = 639,763.31/x
  3. Step 3: Cross multiply
    1,149,050x = 1,585,699.94 × 639,763.31
  4. Step 4: Simplify right side
    1,149,050x = 1,014,472,639,082.39
  5. Step 5: Solve for x
    x = 1,014,472,639,082.39/1,149,050
  6. Step 6: Final answer
    x = 882,879.46

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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.