Home / 1,214,663.40-1,676,151.09-670,794.48

Finding the Fourth Proportional to 1,214,663.40, 1,676,151.09 and 670,794.48

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Solution

The fourth proportional to 1,214,663.40, 1,676,151.09 and 670,794.48 is: 925,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,663.40 : 1,676,151.09 = 670,794.48 : x
  2. Step 2: Convert to fraction form
    1,214,663.40/1,676,151.09 = 670,794.48/x
  3. Step 3: Cross multiply
    1,214,663.40x = 1,676,151.09 × 670,794.48
  4. Step 4: Simplify right side
    1,214,663.40x = 1,124,352,898,817.98
  5. Step 5: Solve for x
    x = 1,124,352,898,817.98/1,214,663.40
  6. Step 6: Final answer
    x = 925,649.77

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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.