Home / 971,317.80-1,456,976.70-938,658.60

Finding the Fourth Proportional to 971,317.80, 1,456,976.70 and 938,658.60

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Solution

The fourth proportional to 971,317.80, 1,456,976.70 and 938,658.60 is: 1,407,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,317.80 : 1,456,976.70 = 938,658.60 : x
  2. Step 2: Convert to fraction form
    971,317.80/1,456,976.70 = 938,658.60/x
  3. Step 3: Cross multiply
    971,317.80x = 1,456,976.70 × 938,658.60
  4. Step 4: Simplify right side
    971,317.80x = 1,367,603,709,454.62
  5. Step 5: Solve for x
    x = 1,367,603,709,454.62/971,317.80
  6. Step 6: Final answer
    x = 1,407,987.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.