Home / 1,014,672.15-1,398,621.47-687,885.21

Finding the Fourth Proportional to 1,014,672.15, 1,398,621.47 and 687,885.21

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Solution

The fourth proportional to 1,014,672.15, 1,398,621.47 and 687,885.21 is: 948,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,672.15 : 1,398,621.47 = 687,885.21 : x
  2. Step 2: Convert to fraction form
    1,014,672.15/1,398,621.47 = 687,885.21/x
  3. Step 3: Cross multiply
    1,014,672.15x = 1,398,621.47 × 687,885.21
  4. Step 4: Simplify right side
    1,014,672.15x = 962,091,020,162.03
  5. Step 5: Solve for x
    x = 962,091,020,162.03/1,014,672.15
  6. Step 6: Final answer
    x = 948,179.19

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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.