Home / 1,635,418-2,256,898.22-900,457.75

Finding the Fourth Proportional to 1,635,418, 2,256,898.22 and 900,457.75

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Solution

The fourth proportional to 1,635,418, 2,256,898.22 and 900,457.75 is: 1,242,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,418 : 2,256,898.22 = 900,457.75 : x
  2. Step 2: Convert to fraction form
    1,635,418/2,256,898.22 = 900,457.75/x
  3. Step 3: Cross multiply
    1,635,418x = 2,256,898.22 × 900,457.75
  4. Step 4: Simplify right side
    1,635,418x = 2,032,241,493,160.21
  5. Step 5: Solve for x
    x = 2,032,241,493,160.21/1,635,418
  6. Step 6: Final answer
    x = 1,242,643.47

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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.