Home / 1,113,487.30-1,670,216.39-272,046.34

Finding the Fourth Proportional to 1,113,487.30, 1,670,216.39 and 272,046.34

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Solution

The fourth proportional to 1,113,487.30, 1,670,216.39 and 272,046.34 is: 408,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,487.30 : 1,670,216.39 = 272,046.34 : x
  2. Step 2: Convert to fraction form
    1,113,487.30/1,670,216.39 = 272,046.34/x
  3. Step 3: Cross multiply
    1,113,487.30x = 1,670,216.39 × 272,046.34
  4. Step 4: Simplify right side
    1,113,487.30x = 454,376,255,907.51
  5. Step 5: Solve for x
    x = 454,376,255,907.51/1,113,487.30
  6. Step 6: Final answer
    x = 408,065.95

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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.