Home / 1,509,910.86-2,083,676.90-830,847.36

Finding the Fourth Proportional to 1,509,910.86, 2,083,676.90 and 830,847.36

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Solution

The fourth proportional to 1,509,910.86, 2,083,676.90 and 830,847.36 is: 1,146,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,910.86 : 2,083,676.90 = 830,847.36 : x
  2. Step 2: Convert to fraction form
    1,509,910.86/2,083,676.90 = 830,847.36/x
  3. Step 3: Cross multiply
    1,509,910.86x = 2,083,676.90 × 830,847.36
  4. Step 4: Simplify right side
    1,509,910.86x = 1,731,217,451,457.98
  5. Step 5: Solve for x
    x = 1,731,217,451,457.98/1,509,910.86
  6. Step 6: Final answer
    x = 1,146,569.31

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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.