Home / 907,634.80-1,361,452.20-781,663.60

Finding the Fourth Proportional to 907,634.80, 1,361,452.20 and 781,663.60

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Solution

The fourth proportional to 907,634.80, 1,361,452.20 and 781,663.60 is: 1,172,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,634.80 : 1,361,452.20 = 781,663.60 : x
  2. Step 2: Convert to fraction form
    907,634.80/1,361,452.20 = 781,663.60/x
  3. Step 3: Cross multiply
    907,634.80x = 1,361,452.20 × 781,663.60
  4. Step 4: Simplify right side
    907,634.80x = 1,064,197,627,879.92
  5. Step 5: Solve for x
    x = 1,064,197,627,879.92/907,634.80
  6. Step 6: Final answer
    x = 1,172,495.40

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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.