Home / 1,450,513.10-2,175,004.20-490,638.80

Finding the Fourth Proportional to 1,450,513.10, 2,175,004.20 and 490,638.80

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Solution

The fourth proportional to 1,450,513.10, 2,175,004.20 and 490,638.80 is: 735,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,513.10 : 2,175,004.20 = 490,638.80 : x
  2. Step 2: Convert to fraction form
    1,450,513.10/2,175,004.20 = 490,638.80/x
  3. Step 3: Cross multiply
    1,450,513.10x = 2,175,004.20 × 490,638.80
  4. Step 4: Simplify right side
    1,450,513.10x = 1,067,141,450,682.96
  5. Step 5: Solve for x
    x = 1,067,141,450,682.96/1,450,513.10
  6. Step 6: Final answer
    x = 735,699.29

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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.