Home / 1,998,756.32-2,997,700.24-632,636.24

Finding the Fourth Proportional to 1,998,756.32, 2,997,700.24 and 632,636.24

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Solution

The fourth proportional to 1,998,756.32, 2,997,700.24 and 632,636.24 is: 948,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,756.32 : 2,997,700.24 = 632,636.24 : x
  2. Step 2: Convert to fraction form
    1,998,756.32/2,997,700.24 = 632,636.24/x
  3. Step 3: Cross multiply
    1,998,756.32x = 2,997,700.24 × 632,636.24
  4. Step 4: Simplify right side
    1,998,756.32x = 1,896,453,808,480.70
  5. Step 5: Solve for x
    x = 1,896,453,808,480.70/1,998,756.32
  6. Step 6: Final answer
    x = 948,816.92

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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.