Home / 1,213,989.31-1,675,344.90-662,734.41

Finding the Fourth Proportional to 1,213,989.31, 1,675,344.90 and 662,734.41

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Solution

The fourth proportional to 1,213,989.31, 1,675,344.90 and 662,734.41 is: 914,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,989.31 : 1,675,344.90 = 662,734.41 : x
  2. Step 2: Convert to fraction form
    1,213,989.31/1,675,344.90 = 662,734.41/x
  3. Step 3: Cross multiply
    1,213,989.31x = 1,675,344.90 × 662,734.41
  4. Step 4: Simplify right side
    1,213,989.31x = 1,110,308,713,848.01
  5. Step 5: Solve for x
    x = 1,110,308,713,848.01/1,213,989.31
  6. Step 6: Final answer
    x = 914,595.13

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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.