Home / 1,154,242-1,592,824.24-644,948.56

Finding the Fourth Proportional to 1,154,242, 1,592,824.24 and 644,948.56

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Solution

The fourth proportional to 1,154,242, 1,592,824.24 and 644,948.56 is: 890,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,242 : 1,592,824.24 = 644,948.56 : x
  2. Step 2: Convert to fraction form
    1,154,242/1,592,824.24 = 644,948.56/x
  3. Step 3: Cross multiply
    1,154,242x = 1,592,824.24 × 644,948.56
  4. Step 4: Simplify right side
    1,154,242x = 1,027,289,699,921.09
  5. Step 5: Solve for x
    x = 1,027,289,699,921.09/1,154,242
  6. Step 6: Final answer
    x = 890,012.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.