Home / 903,810.28-1,246,123.34-661,672.48

Finding the Fourth Proportional to 903,810.28, 1,246,123.34 and 661,672.48

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Solution

The fourth proportional to 903,810.28, 1,246,123.34 and 661,672.48 is: 912,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,810.28 : 1,246,123.34 = 661,672.48 : x
  2. Step 2: Convert to fraction form
    903,810.28/1,246,123.34 = 661,672.48/x
  3. Step 3: Cross multiply
    903,810.28x = 1,246,123.34 × 661,672.48
  4. Step 4: Simplify right side
    903,810.28x = 824,525,520,763.68
  5. Step 5: Solve for x
    x = 824,525,520,763.68/903,810.28
  6. Step 6: Final answer
    x = 912,277.21

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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.