Home / 1,085,652.90-1,628,493.20-286,927.54

Finding the Fourth Proportional to 1,085,652.90, 1,628,493.20 and 286,927.54

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Solution

The fourth proportional to 1,085,652.90, 1,628,493.20 and 286,927.54 is: 430,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,652.90 : 1,628,493.20 = 286,927.54 : x
  2. Step 2: Convert to fraction form
    1,085,652.90/1,628,493.20 = 286,927.54/x
  3. Step 3: Cross multiply
    1,085,652.90x = 1,628,493.20 × 286,927.54
  4. Step 4: Simplify right side
    1,085,652.90x = 467,259,547,782.73
  5. Step 5: Solve for x
    x = 467,259,547,782.73/1,085,652.90
  6. Step 6: Final answer
    x = 430,394.97

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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.