Home / 1,489,207.58-2,233,442.31-424,258.86

Finding the Fourth Proportional to 1,489,207.58, 2,233,442.31 and 424,258.86

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Solution

The fourth proportional to 1,489,207.58, 2,233,442.31 and 424,258.86 is: 636,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,207.58 : 2,233,442.31 = 424,258.86 : x
  2. Step 2: Convert to fraction form
    1,489,207.58/2,233,442.31 = 424,258.86/x
  3. Step 3: Cross multiply
    1,489,207.58x = 2,233,442.31 × 424,258.86
  4. Step 4: Simplify right side
    1,489,207.58x = 947,557,697,487.26
  5. Step 5: Solve for x
    x = 947,557,697,487.26/1,489,207.58
  6. Step 6: Final answer
    x = 636,283.16

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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.