Home / 1,010,085.87-1,511,810.64-768,897.84

Finding the Fourth Proportional to 1,010,085.87, 1,511,810.64 and 768,897.84

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Solution

The fourth proportional to 1,010,085.87, 1,511,810.64 and 768,897.84 is: 1,150,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,085.87 : 1,511,810.64 = 768,897.84 : x
  2. Step 2: Convert to fraction form
    1,010,085.87/1,511,810.64 = 768,897.84/x
  3. Step 3: Cross multiply
    1,010,085.87x = 1,511,810.64 × 768,897.84
  4. Step 4: Simplify right side
    1,010,085.87x = 1,162,427,935,585.02
  5. Step 5: Solve for x
    x = 1,162,427,935,585.02/1,010,085.87
  6. Step 6: Final answer
    x = 1,150,820.91

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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.