Home / 1,257,877.69-1,735,899.71-713,962.60

Finding the Fourth Proportional to 1,257,877.69, 1,735,899.71 and 713,962.60

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Solution

The fourth proportional to 1,257,877.69, 1,735,899.71 and 713,962.60 is: 985,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,877.69 : 1,735,899.71 = 713,962.60 : x
  2. Step 2: Convert to fraction form
    1,257,877.69/1,735,899.71 = 713,962.60/x
  3. Step 3: Cross multiply
    1,257,877.69x = 1,735,899.71 × 713,962.60
  4. Step 4: Simplify right side
    1,257,877.69x = 1,239,367,462,381.28
  5. Step 5: Solve for x
    x = 1,239,367,462,381.28/1,257,877.69
  6. Step 6: Final answer
    x = 985,284.56

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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.