Home / 1,113,289.92-1,670,002.31-314,631.24

Finding the Fourth Proportional to 1,113,289.92, 1,670,002.31 and 314,631.24

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Solution

The fourth proportional to 1,113,289.92, 1,670,002.31 and 314,631.24 is: 471,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,289.92 : 1,670,002.31 = 314,631.24 : x
  2. Step 2: Convert to fraction form
    1,113,289.92/1,670,002.31 = 314,631.24/x
  3. Step 3: Cross multiply
    1,113,289.92x = 1,670,002.31 × 314,631.24
  4. Step 4: Simplify right side
    1,113,289.92x = 525,434,892,122.23
  5. Step 5: Solve for x
    x = 525,434,892,122.23/1,113,289.92
  6. Step 6: Final answer
    x = 471,965.91

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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.