Home / 1,766,059.50-2,649,484.13-644,128.50

Finding the Fourth Proportional to 1,766,059.50, 2,649,484.13 and 644,128.50

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Solution

The fourth proportional to 1,766,059.50, 2,649,484.13 and 644,128.50 is: 966,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,059.50 : 2,649,484.13 = 644,128.50 : x
  2. Step 2: Convert to fraction form
    1,766,059.50/2,649,484.13 = 644,128.50/x
  3. Step 3: Cross multiply
    1,766,059.50x = 2,649,484.13 × 644,128.50
  4. Step 4: Simplify right side
    1,766,059.50x = 1,706,608,235,210.06
  5. Step 5: Solve for x
    x = 1,706,608,235,210.06/1,766,059.50
  6. Step 6: Final answer
    x = 966,336.77

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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.