Home / 1,459,989.66-2,014,493.13-815,310.66

Finding the Fourth Proportional to 1,459,989.66, 2,014,493.13 and 815,310.66

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Solution

The fourth proportional to 1,459,989.66, 2,014,493.13 and 815,310.66 is: 1,124,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,989.66 : 2,014,493.13 = 815,310.66 : x
  2. Step 2: Convert to fraction form
    1,459,989.66/2,014,493.13 = 815,310.66/x
  3. Step 3: Cross multiply
    1,459,989.66x = 2,014,493.13 × 815,310.66
  4. Step 4: Simplify right side
    1,459,989.66x = 1,642,437,723,385.77
  5. Step 5: Solve for x
    x = 1,642,437,723,385.77/1,459,989.66
  6. Step 6: Final answer
    x = 1,124,965.31

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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.