Home / 1,538,474.92-2,307,991.20-770,373.16

Finding the Fourth Proportional to 1,538,474.92, 2,307,991.20 and 770,373.16

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Solution

The fourth proportional to 1,538,474.92, 2,307,991.20 and 770,373.16 is: 1,155,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,474.92 : 2,307,991.20 = 770,373.16 : x
  2. Step 2: Convert to fraction form
    1,538,474.92/2,307,991.20 = 770,373.16/x
  3. Step 3: Cross multiply
    1,538,474.92x = 2,307,991.20 × 770,373.16
  4. Step 4: Simplify right side
    1,538,474.92x = 1,778,014,473,996.19
  5. Step 5: Solve for x
    x = 1,778,014,473,996.19/1,538,474.92
  6. Step 6: Final answer
    x = 1,155,699.36

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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.