Home / 1,109,015.52-1,663,628-310,297.12

Finding the Fourth Proportional to 1,109,015.52, 1,663,628 and 310,297.12

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Solution

The fourth proportional to 1,109,015.52, 1,663,628 and 310,297.12 is: 465,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,015.52 : 1,663,628 = 310,297.12 : x
  2. Step 2: Convert to fraction form
    1,109,015.52/1,663,628 = 310,297.12/x
  3. Step 3: Cross multiply
    1,109,015.52x = 1,663,628 × 310,297.12
  4. Step 4: Simplify right side
    1,109,015.52x = 516,218,977,151.36
  5. Step 5: Solve for x
    x = 516,218,977,151.36/1,109,015.52
  6. Step 6: Final answer
    x = 465,474.98

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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.