Home / 1,271,458.83-1,754,711.55-727,765.19

Finding the Fourth Proportional to 1,271,458.83, 1,754,711.55 and 727,765.19

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Solution

The fourth proportional to 1,271,458.83, 1,754,711.55 and 727,765.19 is: 1,004,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,458.83 : 1,754,711.55 = 727,765.19 : x
  2. Step 2: Convert to fraction form
    1,271,458.83/1,754,711.55 = 727,765.19/x
  3. Step 3: Cross multiply
    1,271,458.83x = 1,754,711.55 × 727,765.19
  4. Step 4: Simplify right side
    1,271,458.83x = 1,277,017,975,807.39
  5. Step 5: Solve for x
    x = 1,277,017,975,807.39/1,271,458.83
  6. Step 6: Final answer
    x = 1,004,372.26

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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.