Home / 1,377,363.25-2,064,861.60-478,688.23

Finding the Fourth Proportional to 1,377,363.25, 2,064,861.60 and 478,688.23

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Solution

The fourth proportional to 1,377,363.25, 2,064,861.60 and 478,688.23 is: 717,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,363.25 : 2,064,861.60 = 478,688.23 : x
  2. Step 2: Convert to fraction form
    1,377,363.25/2,064,861.60 = 478,688.23/x
  3. Step 3: Cross multiply
    1,377,363.25x = 2,064,861.60 × 478,688.23
  4. Step 4: Simplify right side
    1,377,363.25x = 988,424,944,498.97
  5. Step 5: Solve for x
    x = 988,424,944,498.97/1,377,363.25
  6. Step 6: Final answer
    x = 717,621.11

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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.