Home / 834,367.40-1,248,123.42-666,216.15

Finding the Fourth Proportional to 834,367.40, 1,248,123.42 and 666,216.15

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Solution

The fourth proportional to 834,367.40, 1,248,123.42 and 666,216.15 is: 996,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,367.40 : 1,248,123.42 = 666,216.15 : x
  2. Step 2: Convert to fraction form
    834,367.40/1,248,123.42 = 666,216.15/x
  3. Step 3: Cross multiply
    834,367.40x = 1,248,123.42 × 666,216.15
  4. Step 4: Simplify right side
    834,367.40x = 831,519,979,597.23
  5. Step 5: Solve for x
    x = 831,519,979,597.23/834,367.40
  6. Step 6: Final answer
    x = 996,587.33

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1.5x scale

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.