Home / 1,558,973.25-2,151,389.57-843,581.25

Finding the Fourth Proportional to 1,558,973.25, 2,151,389.57 and 843,581.25

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Solution

The fourth proportional to 1,558,973.25, 2,151,389.57 and 843,581.25 is: 1,164,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,973.25 : 2,151,389.57 = 843,581.25 : x
  2. Step 2: Convert to fraction form
    1,558,973.25/2,151,389.57 = 843,581.25/x
  3. Step 3: Cross multiply
    1,558,973.25x = 2,151,389.57 × 843,581.25
  4. Step 4: Simplify right side
    1,558,973.25x = 1,814,871,898,479.66
  5. Step 5: Solve for x
    x = 1,814,871,898,479.66/1,558,973.25
  6. Step 6: Final answer
    x = 1,164,145.63

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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.