Home / 1,539,336.20-2,309,057.10-474,369.80

Finding the Fourth Proportional to 1,539,336.20, 2,309,057.10 and 474,369.80

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Solution

The fourth proportional to 1,539,336.20, 2,309,057.10 and 474,369.80 is: 711,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,336.20 : 2,309,057.10 = 474,369.80 : x
  2. Step 2: Convert to fraction form
    1,539,336.20/2,309,057.10 = 474,369.80/x
  3. Step 3: Cross multiply
    1,539,336.20x = 2,309,057.10 × 474,369.80
  4. Step 4: Simplify right side
    1,539,336.20x = 1,095,346,954,715.58
  5. Step 5: Solve for x
    x = 1,095,346,954,715.58/1,539,336.20
  6. Step 6: Final answer
    x = 711,570.97

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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.