Home / 1,022,776.35-1,533,918.48-312,810.54

Finding the Fourth Proportional to 1,022,776.35, 1,533,918.48 and 312,810.54

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Solution

The fourth proportional to 1,022,776.35, 1,533,918.48 and 312,810.54 is: 469,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,776.35 : 1,533,918.48 = 312,810.54 : x
  2. Step 2: Convert to fraction form
    1,022,776.35/1,533,918.48 = 312,810.54/x
  3. Step 3: Cross multiply
    1,022,776.35x = 1,533,918.48 × 312,810.54
  4. Step 4: Simplify right side
    1,022,776.35x = 479,825,868,044.78
  5. Step 5: Solve for x
    x = 479,825,868,044.78/1,022,776.35
  6. Step 6: Final answer
    x = 469,140.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.