Home / 1,373,214.40-2,059,821.60-426,577.60

Finding the Fourth Proportional to 1,373,214.40, 2,059,821.60 and 426,577.60

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Solution

The fourth proportional to 1,373,214.40, 2,059,821.60 and 426,577.60 is: 639,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,214.40 : 2,059,821.60 = 426,577.60 : x
  2. Step 2: Convert to fraction form
    1,373,214.40/2,059,821.60 = 426,577.60/x
  3. Step 3: Cross multiply
    1,373,214.40x = 2,059,821.60 × 426,577.60
  4. Step 4: Simplify right side
    1,373,214.40x = 878,673,754,556.16
  5. Step 5: Solve for x
    x = 878,673,754,556.16/1,373,214.40
  6. Step 6: Final answer
    x = 639,866.40

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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.