Home / 1,271,060.66-1,753,331.48-761,467.80

Finding the Fourth Proportional to 1,271,060.66, 1,753,331.48 and 761,467.80

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Solution

The fourth proportional to 1,271,060.66, 1,753,331.48 and 761,467.80 is: 1,050,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,060.66 : 1,753,331.48 = 761,467.80 : x
  2. Step 2: Convert to fraction form
    1,271,060.66/1,753,331.48 = 761,467.80/x
  3. Step 3: Cross multiply
    1,271,060.66x = 1,753,331.48 × 761,467.80
  4. Step 4: Simplify right side
    1,271,060.66x = 1,335,105,464,746.34
  5. Step 5: Solve for x
    x = 1,335,105,464,746.34/1,271,060.66
  6. Step 6: Final answer
    x = 1,050,386.90

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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.