Home / 1,148,605.25-1,722,907.78-307,135.13

Finding the Fourth Proportional to 1,148,605.25, 1,722,907.78 and 307,135.13

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Solution

The fourth proportional to 1,148,605.25, 1,722,907.78 and 307,135.13 is: 460,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,605.25 : 1,722,907.78 = 307,135.13 : x
  2. Step 2: Convert to fraction form
    1,148,605.25/1,722,907.78 = 307,135.13/x
  3. Step 3: Cross multiply
    1,148,605.25x = 1,722,907.78 × 307,135.13
  4. Step 4: Simplify right side
    1,148,605.25x = 529,165,508,527.74
  5. Step 5: Solve for x
    x = 529,165,508,527.74/1,148,605.25
  6. Step 6: Final answer
    x = 460,702.67

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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.