Home / 1,196,045.72-1,649,202.28-977,576.57

Finding the Fourth Proportional to 1,196,045.72, 1,649,202.28 and 977,576.57

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Solution

The fourth proportional to 1,196,045.72, 1,649,202.28 and 977,576.57 is: 1,347,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,045.72 : 1,649,202.28 = 977,576.57 : x
  2. Step 2: Convert to fraction form
    1,196,045.72/1,649,202.28 = 977,576.57/x
  3. Step 3: Cross multiply
    1,196,045.72x = 1,649,202.28 × 977,576.57
  4. Step 4: Simplify right side
    1,196,045.72x = 1,612,221,494,984.69
  5. Step 5: Solve for x
    x = 1,612,221,494,984.69/1,196,045.72
  6. Step 6: Final answer
    x = 1,347,959.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.