Home / 1,478,663.10-2,217,040.81-580,195.60

Finding the Fourth Proportional to 1,478,663.10, 2,217,040.81 and 580,195.60

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Solution

The fourth proportional to 1,478,663.10, 2,217,040.81 and 580,195.60 is: 869,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,663.10 : 2,217,040.81 = 580,195.60 : x
  2. Step 2: Convert to fraction form
    1,478,663.10/2,217,040.81 = 580,195.60/x
  3. Step 3: Cross multiply
    1,478,663.10x = 2,217,040.81 × 580,195.60
  4. Step 4: Simplify right side
    1,478,663.10x = 1,286,317,315,989.35
  5. Step 5: Solve for x
    x = 1,286,317,315,989.35/1,478,663.10
  6. Step 6: Final answer
    x = 869,919.13

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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.