Home / 1,580,433-2,180,997.42-855,280.74

Finding the Fourth Proportional to 1,580,433, 2,180,997.42 and 855,280.74

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Solution

The fourth proportional to 1,580,433, 2,180,997.42 and 855,280.74 is: 1,180,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,433 : 2,180,997.42 = 855,280.74 : x
  2. Step 2: Convert to fraction form
    1,580,433/2,180,997.42 = 855,280.74/x
  3. Step 3: Cross multiply
    1,580,433x = 2,180,997.42 × 855,280.74
  4. Step 4: Simplify right side
    1,580,433x = 1,865,365,087,315.69
  5. Step 5: Solve for x
    x = 1,865,365,087,315.69/1,580,433
  6. Step 6: Final answer
    x = 1,180,287.36

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1.5x scale

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.