Home / 1,078,134.16-1,616,727.60-403,742.47

Finding the Fourth Proportional to 1,078,134.16, 1,616,727.60 and 403,742.47

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Solution

The fourth proportional to 1,078,134.16, 1,616,727.60 and 403,742.47 is: 605,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,134.16 : 1,616,727.60 = 403,742.47 : x
  2. Step 2: Convert to fraction form
    1,078,134.16/1,616,727.60 = 403,742.47/x
  3. Step 3: Cross multiply
    1,078,134.16x = 1,616,727.60 × 403,742.47
  4. Step 4: Simplify right side
    1,078,134.16x = 652,741,594,541.17
  5. Step 5: Solve for x
    x = 652,741,594,541.17/1,078,134.16
  6. Step 6: Final answer
    x = 605,436.34

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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.