Home / 1,113,117.40-1,536,102.48-629,672.20

Finding the Fourth Proportional to 1,113,117.40, 1,536,102.48 and 629,672.20

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Solution

The fourth proportional to 1,113,117.40, 1,536,102.48 and 629,672.20 is: 868,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,117.40 : 1,536,102.48 = 629,672.20 : x
  2. Step 2: Convert to fraction form
    1,113,117.40/1,536,102.48 = 629,672.20/x
  3. Step 3: Cross multiply
    1,113,117.40x = 1,536,102.48 × 629,672.20
  4. Step 4: Simplify right side
    1,113,117.40x = 967,241,028,007.06
  5. Step 5: Solve for x
    x = 967,241,028,007.06/1,113,117.40
  6. Step 6: Final answer
    x = 868,947.90

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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.