Home / 1,112,022.51-1,666,839.78-471,785.88

Finding the Fourth Proportional to 1,112,022.51, 1,666,839.78 and 471,785.88

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Solution

The fourth proportional to 1,112,022.51, 1,666,839.78 and 471,785.88 is: 707,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,022.51 : 1,666,839.78 = 471,785.88 : x
  2. Step 2: Convert to fraction form
    1,112,022.51/1,666,839.78 = 471,785.88/x
  3. Step 3: Cross multiply
    1,112,022.51x = 1,666,839.78 × 471,785.88
  4. Step 4: Simplify right side
    1,112,022.51x = 786,391,472,426.31
  5. Step 5: Solve for x
    x = 786,391,472,426.31/1,112,022.51
  6. Step 6: Final answer
    x = 707,172.26

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1.5x scale

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.