Home / 1,297,029.90-1,789,716.15-724,057.50

Finding the Fourth Proportional to 1,297,029.90, 1,789,716.15 and 724,057.50

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Solution

The fourth proportional to 1,297,029.90, 1,789,716.15 and 724,057.50 is: 999,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,029.90 : 1,789,716.15 = 724,057.50 : x
  2. Step 2: Convert to fraction form
    1,297,029.90/1,789,716.15 = 724,057.50/x
  3. Step 3: Cross multiply
    1,297,029.90x = 1,789,716.15 × 724,057.50
  4. Step 4: Simplify right side
    1,297,029.90x = 1,295,857,401,278.63
  5. Step 5: Solve for x
    x = 1,295,857,401,278.63/1,297,029.90
  6. Step 6: Final answer
    x = 999,096.01

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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.