Home / 1,629,069.60-2,443,721.26-430,977.69

Finding the Fourth Proportional to 1,629,069.60, 2,443,721.26 and 430,977.69

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Solution

The fourth proportional to 1,629,069.60, 2,443,721.26 and 430,977.69 is: 646,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,069.60 : 2,443,721.26 = 430,977.69 : x
  2. Step 2: Convert to fraction form
    1,629,069.60/2,443,721.26 = 430,977.69/x
  3. Step 3: Cross multiply
    1,629,069.60x = 2,443,721.26 × 430,977.69
  4. Step 4: Simplify right side
    1,629,069.60x = 1,053,189,343,638.69
  5. Step 5: Solve for x
    x = 1,053,189,343,638.69/1,629,069.60
  6. Step 6: Final answer
    x = 646,497.45

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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.