Home / 918,009.60-1,377,014.40-851,654.40

Finding the Fourth Proportional to 918,009.60, 1,377,014.40 and 851,654.40

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Solution

The fourth proportional to 918,009.60, 1,377,014.40 and 851,654.40 is: 1,277,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,009.60 : 1,377,014.40 = 851,654.40 : x
  2. Step 2: Convert to fraction form
    918,009.60/1,377,014.40 = 851,654.40/x
  3. Step 3: Cross multiply
    918,009.60x = 1,377,014.40 × 851,654.40
  4. Step 4: Simplify right side
    918,009.60x = 1,172,740,372,623.36
  5. Step 5: Solve for x
    x = 1,172,740,372,623.36/918,009.60
  6. Step 6: Final answer
    x = 1,277,481.60

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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.