Home / 1,810,447.40-2,716,062.78-688,537.64

Finding the Fourth Proportional to 1,810,447.40, 2,716,062.78 and 688,537.64

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Solution

The fourth proportional to 1,810,447.40, 2,716,062.78 and 688,537.64 is: 1,032,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,447.40 : 2,716,062.78 = 688,537.64 : x
  2. Step 2: Convert to fraction form
    1,810,447.40/2,716,062.78 = 688,537.64/x
  3. Step 3: Cross multiply
    1,810,447.40x = 2,716,062.78 × 688,537.64
  4. Step 4: Simplify right side
    1,810,447.40x = 1,870,111,456,633.04
  5. Step 5: Solve for x
    x = 1,870,111,456,633.04/1,810,447.40
  6. Step 6: Final answer
    x = 1,032,955.42

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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.