Home / 1,234,243.80-1,851,365.70-759,389.40

Finding the Fourth Proportional to 1,234,243.80, 1,851,365.70 and 759,389.40

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Solution

The fourth proportional to 1,234,243.80, 1,851,365.70 and 759,389.40 is: 1,139,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,243.80 : 1,851,365.70 = 759,389.40 : x
  2. Step 2: Convert to fraction form
    1,234,243.80/1,851,365.70 = 759,389.40/x
  3. Step 3: Cross multiply
    1,234,243.80x = 1,851,365.70 × 759,389.40
  4. Step 4: Simplify right side
    1,234,243.80x = 1,405,907,488,103.58
  5. Step 5: Solve for x
    x = 1,405,907,488,103.58/1,234,243.80
  6. Step 6: Final answer
    x = 1,139,084.10

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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.