Home / 1,580,046.21-2,369,072.84-870,572.47

Finding the Fourth Proportional to 1,580,046.21, 2,369,072.84 and 870,572.47

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Solution

The fourth proportional to 1,580,046.21, 2,369,072.84 and 870,572.47 is: 1,305,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,046.21 : 2,369,072.84 = 870,572.47 : x
  2. Step 2: Convert to fraction form
    1,580,046.21/2,369,072.84 = 870,572.47/x
  3. Step 3: Cross multiply
    1,580,046.21x = 2,369,072.84 × 870,572.47
  4. Step 4: Simplify right side
    1,580,046.21x = 2,062,449,593,928.71
  5. Step 5: Solve for x
    x = 2,062,449,593,928.71/1,580,046.21
  6. Step 6: Final answer
    x = 1,305,309.67

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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.