Home / 1,230,478.33-1,842,143.11-716,576.62

Finding the Fourth Proportional to 1,230,478.33, 1,842,143.11 and 716,576.62

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Solution

The fourth proportional to 1,230,478.33, 1,842,143.11 and 716,576.62 is: 1,072,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,478.33 : 1,842,143.11 = 716,576.62 : x
  2. Step 2: Convert to fraction form
    1,230,478.33/1,842,143.11 = 716,576.62/x
  3. Step 3: Cross multiply
    1,230,478.33x = 1,842,143.11 × 716,576.62
  4. Step 4: Simplify right side
    1,230,478.33x = 1,320,036,683,320.09
  5. Step 5: Solve for x
    x = 1,320,036,683,320.09/1,230,478.33
  6. Step 6: Final answer
    x = 1,072,783.36

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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.