Home / 1,113,233.52-1,669,959.64-314,521.28

Finding the Fourth Proportional to 1,113,233.52, 1,669,959.64 and 314,521.28

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Solution

The fourth proportional to 1,113,233.52, 1,669,959.64 and 314,521.28 is: 471,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,233.52 : 1,669,959.64 = 314,521.28 : x
  2. Step 2: Convert to fraction form
    1,113,233.52/1,669,959.64 = 314,521.28/x
  3. Step 3: Cross multiply
    1,113,233.52x = 1,669,959.64 × 314,521.28
  4. Step 4: Simplify right side
    1,113,233.52x = 525,237,840,057.66
  5. Step 5: Solve for x
    x = 525,237,840,057.66/1,113,233.52
  6. Step 6: Final answer
    x = 471,812.81

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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.