Home / 1,153,009.60-1,729,514.40-734,142.40

Finding the Fourth Proportional to 1,153,009.60, 1,729,514.40 and 734,142.40

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Solution

The fourth proportional to 1,153,009.60, 1,729,514.40 and 734,142.40 is: 1,101,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,009.60 : 1,729,514.40 = 734,142.40 : x
  2. Step 2: Convert to fraction form
    1,153,009.60/1,729,514.40 = 734,142.40/x
  3. Step 3: Cross multiply
    1,153,009.60x = 1,729,514.40 × 734,142.40
  4. Step 4: Simplify right side
    1,153,009.60x = 1,269,709,852,450.56
  5. Step 5: Solve for x
    x = 1,269,709,852,450.56/1,153,009.60
  6. Step 6: Final answer
    x = 1,101,213.60

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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.