Home / 1,353,362.22-1,866,795.15-870,556.78

Finding the Fourth Proportional to 1,353,362.22, 1,866,795.15 and 870,556.78

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Solution

The fourth proportional to 1,353,362.22, 1,866,795.15 and 870,556.78 is: 1,200,824.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,362.22 : 1,866,795.15 = 870,556.78 : x
  2. Step 2: Convert to fraction form
    1,353,362.22/1,866,795.15 = 870,556.78/x
  3. Step 3: Cross multiply
    1,353,362.22x = 1,866,795.15 × 870,556.78
  4. Step 4: Simplify right side
    1,353,362.22x = 1,625,151,174,703.62
  5. Step 5: Solve for x
    x = 1,625,151,174,703.62/1,353,362.22
  6. Step 6: Final answer
    x = 1,200,824.99

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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.