Home / 1,277,775-1,916,101.17-478,495.96

Finding the Fourth Proportional to 1,277,775, 1,916,101.17 and 478,495.96

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Solution

The fourth proportional to 1,277,775, 1,916,101.17 and 478,495.96 is: 717,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,775 : 1,916,101.17 = 478,495.96 : x
  2. Step 2: Convert to fraction form
    1,277,775/1,916,101.17 = 478,495.96/x
  3. Step 3: Cross multiply
    1,277,775x = 1,916,101.17 × 478,495.96
  4. Step 4: Simplify right side
    1,277,775x = 916,846,664,006.02
  5. Step 5: Solve for x
    x = 916,846,664,006.02/1,277,775
  6. Step 6: Final answer
    x = 717,533.73

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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.