Home / 1,510,012.76-2,083,907.28-865,474.60

Finding the Fourth Proportional to 1,510,012.76, 2,083,907.28 and 865,474.60

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Solution

The fourth proportional to 1,510,012.76, 2,083,907.28 and 865,474.60 is: 1,194,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,012.76 : 2,083,907.28 = 865,474.60 : x
  2. Step 2: Convert to fraction form
    1,510,012.76/2,083,907.28 = 865,474.60/x
  3. Step 3: Cross multiply
    1,510,012.76x = 2,083,907.28 × 865,474.60
  4. Step 4: Simplify right side
    1,510,012.76x = 1,803,568,819,595.09
  5. Step 5: Solve for x
    x = 1,803,568,819,595.09/1,510,012.76
  6. Step 6: Final answer
    x = 1,194,406.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.