Home / 1,656,398.78-2,484,653.52-458,220.75

Finding the Fourth Proportional to 1,656,398.78, 2,484,653.52 and 458,220.75

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Solution

The fourth proportional to 1,656,398.78, 2,484,653.52 and 458,220.75 is: 687,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,398.78 : 2,484,653.52 = 458,220.75 : x
  2. Step 2: Convert to fraction form
    1,656,398.78/2,484,653.52 = 458,220.75/x
  3. Step 3: Cross multiply
    1,656,398.78x = 2,484,653.52 × 458,220.75
  4. Step 4: Simplify right side
    1,656,398.78x = 1,138,519,799,424.54
  5. Step 5: Solve for x
    x = 1,138,519,799,424.54/1,656,398.78
  6. Step 6: Final answer
    x = 687,346.44

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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.