Home / 1,148,317.86-1,584,575.55-664,915.80

Finding the Fourth Proportional to 1,148,317.86, 1,584,575.55 and 664,915.80

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Solution

The fourth proportional to 1,148,317.86, 1,584,575.55 and 664,915.80 is: 917,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,317.86 : 1,584,575.55 = 664,915.80 : x
  2. Step 2: Convert to fraction form
    1,148,317.86/1,584,575.55 = 664,915.80/x
  3. Step 3: Cross multiply
    1,148,317.86x = 1,584,575.55 × 664,915.80
  4. Step 4: Simplify right side
    1,148,317.86x = 1,053,609,319,488.69
  5. Step 5: Solve for x
    x = 1,053,609,319,488.69/1,148,317.86
  6. Step 6: Final answer
    x = 917,524.11

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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.