Home / 785,115.40-1,177,673.10-706,383.40

Finding the Fourth Proportional to 785,115.40, 1,177,673.10 and 706,383.40

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Solution

The fourth proportional to 785,115.40, 1,177,673.10 and 706,383.40 is: 1,059,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,115.40 : 1,177,673.10 = 706,383.40 : x
  2. Step 2: Convert to fraction form
    785,115.40/1,177,673.10 = 706,383.40/x
  3. Step 3: Cross multiply
    785,115.40x = 1,177,673.10 × 706,383.40
  4. Step 4: Simplify right side
    785,115.40x = 831,888,728,466.54
  5. Step 5: Solve for x
    x = 831,888,728,466.54/785,115.40
  6. Step 6: Final answer
    x = 1,059,575.10

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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.