Home / 1,664,909.76-2,297,575.47-900,963.33

Finding the Fourth Proportional to 1,664,909.76, 2,297,575.47 and 900,963.33

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Solution

The fourth proportional to 1,664,909.76, 2,297,575.47 and 900,963.33 is: 1,243,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,909.76 : 2,297,575.47 = 900,963.33 : x
  2. Step 2: Convert to fraction form
    1,664,909.76/2,297,575.47 = 900,963.33/x
  3. Step 3: Cross multiply
    1,664,909.76x = 2,297,575.47 × 900,963.33
  4. Step 4: Simplify right side
    1,664,909.76x = 2,070,031,246,377.52
  5. Step 5: Solve for x
    x = 2,070,031,246,377.52/1,664,909.76
  6. Step 6: Final answer
    x = 1,243,329.40

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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.