Home / 1,138,495.80-1,707,743.70-297,047.55

Finding the Fourth Proportional to 1,138,495.80, 1,707,743.70 and 297,047.55

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Solution

The fourth proportional to 1,138,495.80, 1,707,743.70 and 297,047.55 is: 445,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,495.80 : 1,707,743.70 = 297,047.55 : x
  2. Step 2: Convert to fraction form
    1,138,495.80/1,707,743.70 = 297,047.55/x
  3. Step 3: Cross multiply
    1,138,495.80x = 1,707,743.70 × 297,047.55
  4. Step 4: Simplify right side
    1,138,495.80x = 507,281,082,112.94
  5. Step 5: Solve for x
    x = 507,281,082,112.94/1,138,495.80
  6. Step 6: Final answer
    x = 445,571.33

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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.