Home / 1,157,299.43-1,600,120.73-1,013,647.28

Finding the Fourth Proportional to 1,157,299.43, 1,600,120.73 and 1,013,647.28

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Solution

The fourth proportional to 1,157,299.43, 1,600,120.73 and 1,013,647.28 is: 1,401,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,299.43 : 1,600,120.73 = 1,013,647.28 : x
  2. Step 2: Convert to fraction form
    1,157,299.43/1,600,120.73 = 1,013,647.28/x
  3. Step 3: Cross multiply
    1,157,299.43x = 1,600,120.73 × 1,013,647.28
  4. Step 4: Simplify right side
    1,157,299.43x = 1,621,958,020,169.63
  5. Step 5: Solve for x
    x = 1,621,958,020,169.63/1,157,299.43
  6. Step 6: Final answer
    x = 1,401,502.49

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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.