Home / 1,786,124.32-2,464,841.76-970,321.60

Finding the Fourth Proportional to 1,786,124.32, 2,464,841.76 and 970,321.60

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Solution

The fourth proportional to 1,786,124.32, 2,464,841.76 and 970,321.60 is: 1,339,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,124.32 : 2,464,841.76 = 970,321.60 : x
  2. Step 2: Convert to fraction form
    1,786,124.32/2,464,841.76 = 970,321.60/x
  3. Step 3: Cross multiply
    1,786,124.32x = 2,464,841.76 × 970,321.60
  4. Step 4: Simplify right side
    1,786,124.32x = 2,391,689,200,310.02
  5. Step 5: Solve for x
    x = 2,391,689,200,310.02/1,786,124.32
  6. Step 6: Final answer
    x = 1,339,038.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.