Home / 1,240,610.04-1,860,893.46-679,338.36

Finding the Fourth Proportional to 1,240,610.04, 1,860,893.46 and 679,338.36

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Solution

The fourth proportional to 1,240,610.04, 1,860,893.46 and 679,338.36 is: 1,018,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,610.04 : 1,860,893.46 = 679,338.36 : x
  2. Step 2: Convert to fraction form
    1,240,610.04/1,860,893.46 = 679,338.36/x
  3. Step 3: Cross multiply
    1,240,610.04x = 1,860,893.46 × 679,338.36
  4. Step 4: Simplify right side
    1,240,610.04x = 1,264,176,311,251.13
  5. Step 5: Solve for x
    x = 1,264,176,311,251.13/1,240,610.04
  6. Step 6: Final answer
    x = 1,018,995.71

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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.