Home / 1,271,835.69-1,753,379.47-1,014,585.76

Finding the Fourth Proportional to 1,271,835.69, 1,753,379.47 and 1,014,585.76

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Solution

The fourth proportional to 1,271,835.69, 1,753,379.47 and 1,014,585.76 is: 1,398,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,835.69 : 1,753,379.47 = 1,014,585.76 : x
  2. Step 2: Convert to fraction form
    1,271,835.69/1,753,379.47 = 1,014,585.76/x
  3. Step 3: Cross multiply
    1,271,835.69x = 1,753,379.47 × 1,014,585.76
  4. Step 4: Simplify right side
    1,271,835.69x = 1,778,953,842,138.35
  5. Step 5: Solve for x
    x = 1,778,953,842,138.35/1,271,835.69
  6. Step 6: Final answer
    x = 1,398,729.30

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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.