Home / 927,273.60-1,390,910.40-865,065.60

Finding the Fourth Proportional to 927,273.60, 1,390,910.40 and 865,065.60

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Solution

The fourth proportional to 927,273.60, 1,390,910.40 and 865,065.60 is: 1,297,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,273.60 : 1,390,910.40 = 865,065.60 : x
  2. Step 2: Convert to fraction form
    927,273.60/1,390,910.40 = 865,065.60/x
  3. Step 3: Cross multiply
    927,273.60x = 1,390,910.40 × 865,065.60
  4. Step 4: Simplify right side
    927,273.60x = 1,203,228,739,722.24
  5. Step 5: Solve for x
    x = 1,203,228,739,722.24/927,273.60
  6. Step 6: Final answer
    x = 1,297,598.40

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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.