Home / 1,255,480.79-1,732,698.95-711,558.20

Finding the Fourth Proportional to 1,255,480.79, 1,732,698.95 and 711,558.20

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Solution

The fourth proportional to 1,255,480.79, 1,732,698.95 and 711,558.20 is: 982,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,480.79 : 1,732,698.95 = 711,558.20 : x
  2. Step 2: Convert to fraction form
    1,255,480.79/1,732,698.95 = 711,558.20/x
  3. Step 3: Cross multiply
    1,255,480.79x = 1,732,698.95 × 711,558.20
  4. Step 4: Simplify right side
    1,255,480.79x = 1,232,916,146,777.85
  5. Step 5: Solve for x
    x = 1,232,916,146,777.85/1,255,480.79
  6. Step 6: Final answer
    x = 982,027.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.