Home / 850,953.60-1,276,430.40-785,999.70

Finding the Fourth Proportional to 850,953.60, 1,276,430.40 and 785,999.70

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Solution

The fourth proportional to 850,953.60, 1,276,430.40 and 785,999.70 is: 1,178,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,953.60 : 1,276,430.40 = 785,999.70 : x
  2. Step 2: Convert to fraction form
    850,953.60/1,276,430.40 = 785,999.70/x
  3. Step 3: Cross multiply
    850,953.60x = 1,276,430.40 × 785,999.70
  4. Step 4: Simplify right side
    850,953.60x = 1,003,273,911,470.88
  5. Step 5: Solve for x
    x = 1,003,273,911,470.88/850,953.60
  6. Step 6: Final answer
    x = 1,178,999.55

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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.