Home / 1,259,854.46-1,738,637.21-686,904.20

Finding the Fourth Proportional to 1,259,854.46, 1,738,637.21 and 686,904.20

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Solution

The fourth proportional to 1,259,854.46, 1,738,637.21 and 686,904.20 is: 947,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,854.46 : 1,738,637.21 = 686,904.20 : x
  2. Step 2: Convert to fraction form
    1,259,854.46/1,738,637.21 = 686,904.20/x
  3. Step 3: Cross multiply
    1,259,854.46x = 1,738,637.21 × 686,904.20
  4. Step 4: Simplify right side
    1,259,854.46x = 1,194,277,197,505.41
  5. Step 5: Solve for x
    x = 1,194,277,197,505.41/1,259,854.46
  6. Step 6: Final answer
    x = 947,948.54

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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.