Home / 1,010,577.20-1,515,890.10-300,628.40

Finding the Fourth Proportional to 1,010,577.20, 1,515,890.10 and 300,628.40

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Solution

The fourth proportional to 1,010,577.20, 1,515,890.10 and 300,628.40 is: 450,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,577.20 : 1,515,890.10 = 300,628.40 : x
  2. Step 2: Convert to fraction form
    1,010,577.20/1,515,890.10 = 300,628.40/x
  3. Step 3: Cross multiply
    1,010,577.20x = 1,515,890.10 × 300,628.40
  4. Step 4: Simplify right side
    1,010,577.20x = 455,719,615,338.84
  5. Step 5: Solve for x
    x = 455,719,615,338.84/1,010,577.20
  6. Step 6: Final answer
    x = 450,949.83

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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.