Home / 1,693,121.54-2,539,760.07-430,960.10

Finding the Fourth Proportional to 1,693,121.54, 2,539,760.07 and 430,960.10

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Solution

The fourth proportional to 1,693,121.54, 2,539,760.07 and 430,960.10 is: 646,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,121.54 : 2,539,760.07 = 430,960.10 : x
  2. Step 2: Convert to fraction form
    1,693,121.54/2,539,760.07 = 430,960.10/x
  3. Step 3: Cross multiply
    1,693,121.54x = 2,539,760.07 × 430,960.10
  4. Step 4: Simplify right side
    1,693,121.54x = 1,094,535,253,743.21
  5. Step 5: Solve for x
    x = 1,094,535,253,743.21/1,693,121.54
  6. Step 6: Final answer
    x = 646,459.94

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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.