Home / 1,399,250.07-2,097,103.29-679,756.45

Finding the Fourth Proportional to 1,399,250.07, 2,097,103.29 and 679,756.45

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Solution

The fourth proportional to 1,399,250.07, 2,097,103.29 and 679,756.45 is: 1,018,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,250.07 : 2,097,103.29 = 679,756.45 : x
  2. Step 2: Convert to fraction form
    1,399,250.07/2,097,103.29 = 679,756.45/x
  3. Step 3: Cross multiply
    1,399,250.07x = 2,097,103.29 × 679,756.45
  4. Step 4: Simplify right side
    1,399,250.07x = 1,425,519,489,537.70
  5. Step 5: Solve for x
    x = 1,425,519,489,537.70/1,399,250.07
  6. Step 6: Final answer
    x = 1,018,773.93

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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.