Home / 1,567,419.40-2,351,129.10-819,694.60

Finding the Fourth Proportional to 1,567,419.40, 2,351,129.10 and 819,694.60

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Solution

The fourth proportional to 1,567,419.40, 2,351,129.10 and 819,694.60 is: 1,229,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,419.40 : 2,351,129.10 = 819,694.60 : x
  2. Step 2: Convert to fraction form
    1,567,419.40/2,351,129.10 = 819,694.60/x
  3. Step 3: Cross multiply
    1,567,419.40x = 2,351,129.10 × 819,694.60
  4. Step 4: Simplify right side
    1,567,419.40x = 1,927,207,827,172.86
  5. Step 5: Solve for x
    x = 1,927,207,827,172.86/1,567,419.40
  6. Step 6: Final answer
    x = 1,229,541.90

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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.