Home / 1,086,826.40-1,630,311.60-288,096.80

Finding the Fourth Proportional to 1,086,826.40, 1,630,311.60 and 288,096.80

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Solution

The fourth proportional to 1,086,826.40, 1,630,311.60 and 288,096.80 is: 432,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,826.40 : 1,630,311.60 = 288,096.80 : x
  2. Step 2: Convert to fraction form
    1,086,826.40/1,630,311.60 = 288,096.80/x
  3. Step 3: Cross multiply
    1,086,826.40x = 1,630,311.60 × 288,096.80
  4. Step 4: Simplify right side
    1,086,826.40x = 469,687,554,962.88
  5. Step 5: Solve for x
    x = 469,687,554,962.88/1,086,826.40
  6. Step 6: Final answer
    x = 432,164.29

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1.5x scale

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.