Home / 1,600,665.68-2,400,821.67-402,588.48

Finding the Fourth Proportional to 1,600,665.68, 2,400,821.67 and 402,588.48

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Solution

The fourth proportional to 1,600,665.68, 2,400,821.67 and 402,588.48 is: 603,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,665.68 : 2,400,821.67 = 402,588.48 : x
  2. Step 2: Convert to fraction form
    1,600,665.68/2,400,821.67 = 402,588.48/x
  3. Step 3: Cross multiply
    1,600,665.68x = 2,400,821.67 × 402,588.48
  4. Step 4: Simplify right side
    1,600,665.68x = 966,543,143,884.53
  5. Step 5: Solve for x
    x = 966,543,143,884.53/1,600,665.68
  6. Step 6: Final answer
    x = 603,838.24

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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.