Home / 1,605,081.15-2,214,952.61-870,019.65

Finding the Fourth Proportional to 1,605,081.15, 2,214,952.61 and 870,019.65

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Solution

The fourth proportional to 1,605,081.15, 2,214,952.61 and 870,019.65 is: 1,200,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,081.15 : 2,214,952.61 = 870,019.65 : x
  2. Step 2: Convert to fraction form
    1,605,081.15/2,214,952.61 = 870,019.65/x
  3. Step 3: Cross multiply
    1,605,081.15x = 2,214,952.61 × 870,019.65
  4. Step 4: Simplify right side
    1,605,081.15x = 1,927,052,290,168.69
  5. Step 5: Solve for x
    x = 1,927,052,290,168.69/1,605,081.15
  6. Step 6: Final answer
    x = 1,200,594.93

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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.