Home / 1,580,433-2,180,997.38-855,280.70

Finding the Fourth Proportional to 1,580,433, 2,180,997.38 and 855,280.70

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Solution

The fourth proportional to 1,580,433, 2,180,997.38 and 855,280.70 is: 1,180,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,433 : 2,180,997.38 = 855,280.70 : x
  2. Step 2: Convert to fraction form
    1,580,433/2,180,997.38 = 855,280.70/x
  3. Step 3: Cross multiply
    1,580,433x = 2,180,997.38 × 855,280.70
  4. Step 4: Simplify right side
    1,580,433x = 1,865,364,965,864.57
  5. Step 5: Solve for x
    x = 1,865,364,965,864.57/1,580,433
  6. Step 6: Final answer
    x = 1,180,287.28

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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.