Home / 1,143,909.40-1,577,939.10-713,442.19

Finding the Fourth Proportional to 1,143,909.40, 1,577,939.10 and 713,442.19

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Solution

The fourth proportional to 1,143,909.40, 1,577,939.10 and 713,442.19 is: 984,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,909.40 : 1,577,939.10 = 713,442.19 : x
  2. Step 2: Convert to fraction form
    1,143,909.40/1,577,939.10 = 713,442.19/x
  3. Step 3: Cross multiply
    1,143,909.40x = 1,577,939.10 × 713,442.19
  4. Step 4: Simplify right side
    1,143,909.40x = 1,125,768,327,190.63
  5. Step 5: Solve for x
    x = 1,125,768,327,190.63/1,143,909.40
  6. Step 6: Final answer
    x = 984,141.16

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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.