Home / 1,693,067.04-2,539,678.32-430,905.60

Finding the Fourth Proportional to 1,693,067.04, 2,539,678.32 and 430,905.60

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Solution

The fourth proportional to 1,693,067.04, 2,539,678.32 and 430,905.60 is: 646,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,067.04 : 2,539,678.32 = 430,905.60 : x
  2. Step 2: Convert to fraction form
    1,693,067.04/2,539,678.32 = 430,905.60/x
  3. Step 3: Cross multiply
    1,693,067.04x = 2,539,678.32 × 430,905.60
  4. Step 4: Simplify right side
    1,693,067.04x = 1,094,361,610,286.59
  5. Step 5: Solve for x
    x = 1,094,361,610,286.59/1,693,067.04
  6. Step 6: Final answer
    x = 646,378.19

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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.