Home / 1,157,911.72-1,598,006.82-728,559.88

Finding the Fourth Proportional to 1,157,911.72, 1,598,006.82 and 728,559.88

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Solution

The fourth proportional to 1,157,911.72, 1,598,006.82 and 728,559.88 is: 1,005,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,911.72 : 1,598,006.82 = 728,559.88 : x
  2. Step 2: Convert to fraction form
    1,157,911.72/1,598,006.82 = 728,559.88/x
  3. Step 3: Cross multiply
    1,157,911.72x = 1,598,006.82 × 728,559.88
  4. Step 4: Simplify right side
    1,157,911.72x = 1,164,243,657,018.38
  5. Step 5: Solve for x
    x = 1,164,243,657,018.38/1,157,911.72
  6. Step 6: Final answer
    x = 1,005,468.41

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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.