Home / 1,437,729.36-1,983,709.89-947,644.56

Finding the Fourth Proportional to 1,437,729.36, 1,983,709.89 and 947,644.56

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Solution

The fourth proportional to 1,437,729.36, 1,983,709.89 and 947,644.56 is: 1,307,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,729.36 : 1,983,709.89 = 947,644.56 : x
  2. Step 2: Convert to fraction form
    1,437,729.36/1,983,709.89 = 947,644.56/x
  3. Step 3: Cross multiply
    1,437,729.36x = 1,983,709.89 × 947,644.56
  4. Step 4: Simplify right side
    1,437,729.36x = 1,879,851,885,876.70
  5. Step 5: Solve for x
    x = 1,879,851,885,876.70/1,437,729.36
  6. Step 6: Final answer
    x = 1,307,514.43

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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.