Home / 1,109,345.04-1,664,017.68-310,745.28

Finding the Fourth Proportional to 1,109,345.04, 1,664,017.68 and 310,745.28

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Solution

The fourth proportional to 1,109,345.04, 1,664,017.68 and 310,745.28 is: 466,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,345.04 : 1,664,017.68 = 310,745.28 : x
  2. Step 2: Convert to fraction form
    1,109,345.04/1,664,017.68 = 310,745.28/x
  3. Step 3: Cross multiply
    1,109,345.04x = 1,664,017.68 × 310,745.28
  4. Step 4: Simplify right side
    1,109,345.04x = 517,085,639,896.55
  5. Step 5: Solve for x
    x = 517,085,639,896.55/1,109,345.04
  6. Step 6: Final answer
    x = 466,117.95

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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.