Home / 1,379,006.67-2,068,510.01-432,451.20

Finding the Fourth Proportional to 1,379,006.67, 2,068,510.01 and 432,451.20

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Solution

The fourth proportional to 1,379,006.67, 2,068,510.01 and 432,451.20 is: 648,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,006.67 : 2,068,510.01 = 432,451.20 : x
  2. Step 2: Convert to fraction form
    1,379,006.67/2,068,510.01 = 432,451.20/x
  3. Step 3: Cross multiply
    1,379,006.67x = 2,068,510.01 × 432,451.20
  4. Step 4: Simplify right side
    1,379,006.67x = 894,529,633,874.26
  5. Step 5: Solve for x
    x = 894,529,633,874.26/1,379,006.67
  6. Step 6: Final answer
    x = 648,676.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.