Home / 1,086,666.80-1,630,000.20-1,068,004.40

Finding the Fourth Proportional to 1,086,666.80, 1,630,000.20 and 1,068,004.40

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Solution

The fourth proportional to 1,086,666.80, 1,630,000.20 and 1,068,004.40 is: 1,602,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,666.80 : 1,630,000.20 = 1,068,004.40 : x
  2. Step 2: Convert to fraction form
    1,086,666.80/1,630,000.20 = 1,068,004.40/x
  3. Step 3: Cross multiply
    1,086,666.80x = 1,630,000.20 × 1,068,004.40
  4. Step 4: Simplify right side
    1,086,666.80x = 1,740,847,385,600.88
  5. Step 5: Solve for x
    x = 1,740,847,385,600.88/1,086,666.80
  6. Step 6: Final answer
    x = 1,602,006.60

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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.