Home / 1,113,403.20-1,669,394.40-733,885.76

Finding the Fourth Proportional to 1,113,403.20, 1,669,394.40 and 733,885.76

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Solution

The fourth proportional to 1,113,403.20, 1,669,394.40 and 733,885.76 is: 1,100,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,403.20 : 1,669,394.40 = 733,885.76 : x
  2. Step 2: Convert to fraction form
    1,113,403.20/1,669,394.40 = 733,885.76/x
  3. Step 3: Cross multiply
    1,113,403.20x = 1,669,394.40 × 733,885.76
  4. Step 4: Simplify right side
    1,113,403.20x = 1,225,144,777,983.74
  5. Step 5: Solve for x
    x = 1,225,144,777,983.74/1,113,403.20
  6. Step 6: Final answer
    x = 1,100,360.39

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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.