Home / 854,574.80-1,281,862.20-717,717.20

Finding the Fourth Proportional to 854,574.80, 1,281,862.20 and 717,717.20

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Solution

The fourth proportional to 854,574.80, 1,281,862.20 and 717,717.20 is: 1,076,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,574.80 : 1,281,862.20 = 717,717.20 : x
  2. Step 2: Convert to fraction form
    854,574.80/1,281,862.20 = 717,717.20/x
  3. Step 3: Cross multiply
    854,574.80x = 1,281,862.20 × 717,717.20
  4. Step 4: Simplify right side
    854,574.80x = 920,014,548,969.84
  5. Step 5: Solve for x
    x = 920,014,548,969.84/854,574.80
  6. Step 6: Final answer
    x = 1,076,575.80

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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.