Home / 1,635,367.88-2,256,829.16-900,407.69

Finding the Fourth Proportional to 1,635,367.88, 2,256,829.16 and 900,407.69

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Solution

The fourth proportional to 1,635,367.88, 2,256,829.16 and 900,407.69 is: 1,242,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,367.88 : 2,256,829.16 = 900,407.69 : x
  2. Step 2: Convert to fraction form
    1,635,367.88/2,256,829.16 = 900,407.69/x
  3. Step 3: Cross multiply
    1,635,367.88x = 2,256,829.16 × 900,407.69
  4. Step 4: Simplify right side
    1,635,367.88x = 2,032,066,330,680.24
  5. Step 5: Solve for x
    x = 2,032,066,330,680.24/1,635,367.88
  6. Step 6: Final answer
    x = 1,242,574.44

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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.