Home / 1,378,730.04-2,068,150.68-480,262.65

Finding the Fourth Proportional to 1,378,730.04, 2,068,150.68 and 480,262.65

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Solution

The fourth proportional to 1,378,730.04, 2,068,150.68 and 480,262.65 is: 720,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,730.04 : 2,068,150.68 = 480,262.65 : x
  2. Step 2: Convert to fraction form
    1,378,730.04/2,068,150.68 = 480,262.65/x
  3. Step 3: Cross multiply
    1,378,730.04x = 2,068,150.68 × 480,262.65
  4. Step 4: Simplify right side
    1,378,730.04x = 993,255,526,176.10
  5. Step 5: Solve for x
    x = 993,255,526,176.10/1,378,730.04
  6. Step 6: Final answer
    x = 720,413.35

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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.