Home / 1,276,576.16-1,915,445.55-477,919.94

Finding the Fourth Proportional to 1,276,576.16, 1,915,445.55 and 477,919.94

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Solution

The fourth proportional to 1,276,576.16, 1,915,445.55 and 477,919.94 is: 717,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,576.16 : 1,915,445.55 = 477,919.94 : x
  2. Step 2: Convert to fraction form
    1,276,576.16/1,915,445.55 = 477,919.94/x
  3. Step 3: Cross multiply
    1,276,576.16x = 1,915,445.55 × 477,919.94
  4. Step 4: Simplify right side
    1,276,576.16x = 915,429,622,329.27
  5. Step 5: Solve for x
    x = 915,429,622,329.27/1,276,576.16
  6. Step 6: Final answer
    x = 717,097.54

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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.