Home / 1,108,671.70-1,663,007.55-478,815.70

Finding the Fourth Proportional to 1,108,671.70, 1,663,007.55 and 478,815.70

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Solution

The fourth proportional to 1,108,671.70, 1,663,007.55 and 478,815.70 is: 718,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,671.70 : 1,663,007.55 = 478,815.70 : x
  2. Step 2: Convert to fraction form
    1,108,671.70/1,663,007.55 = 478,815.70/x
  3. Step 3: Cross multiply
    1,108,671.70x = 1,663,007.55 × 478,815.70
  4. Step 4: Simplify right side
    1,108,671.70x = 796,274,124,158.54
  5. Step 5: Solve for x
    x = 796,274,124,158.54/1,108,671.70
  6. Step 6: Final answer
    x = 718,223.55

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Double scale
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Similar ratio
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1.5x scale

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.