Home / 1,511,299.80-2,264,981.40-612,005.40

Finding the Fourth Proportional to 1,511,299.80, 2,264,981.40 and 612,005.40

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Solution

The fourth proportional to 1,511,299.80, 2,264,981.40 and 612,005.40 is: 917,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,299.80 : 2,264,981.40 = 612,005.40 : x
  2. Step 2: Convert to fraction form
    1,511,299.80/2,264,981.40 = 612,005.40/x
  3. Step 3: Cross multiply
    1,511,299.80x = 2,264,981.40 × 612,005.40
  4. Step 4: Simplify right side
    1,511,299.80x = 1,386,180,847,699.56
  5. Step 5: Solve for x
    x = 1,386,180,847,699.56/1,511,299.80
  6. Step 6: Final answer
    x = 917,211.03

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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.