Home / 1,272,624.78-1,756,234.02-699,669

Finding the Fourth Proportional to 1,272,624.78, 1,756,234.02 and 699,669

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Solution

The fourth proportional to 1,272,624.78, 1,756,234.02 and 699,669 is: 965,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,624.78 : 1,756,234.02 = 699,669 : x
  2. Step 2: Convert to fraction form
    1,272,624.78/1,756,234.02 = 699,669/x
  3. Step 3: Cross multiply
    1,272,624.78x = 1,756,234.02 × 699,669
  4. Step 4: Simplify right side
    1,272,624.78x = 1,228,782,500,539.38
  5. Step 5: Solve for x
    x = 1,228,782,500,539.38/1,272,624.78
  6. Step 6: Final answer
    x = 965,549.72

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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.