Home / 1,467,689.20-2,201,533.80-521,155.60

Finding the Fourth Proportional to 1,467,689.20, 2,201,533.80 and 521,155.60

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Solution

The fourth proportional to 1,467,689.20, 2,201,533.80 and 521,155.60 is: 781,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,689.20 : 2,201,533.80 = 521,155.60 : x
  2. Step 2: Convert to fraction form
    1,467,689.20/2,201,533.80 = 521,155.60/x
  3. Step 3: Cross multiply
    1,467,689.20x = 2,201,533.80 × 521,155.60
  4. Step 4: Simplify right side
    1,467,689.20x = 1,147,341,668,459.28
  5. Step 5: Solve for x
    x = 1,147,341,668,459.28/1,467,689.20
  6. Step 6: Final answer
    x = 781,733.40

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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.