Home / 896,231.20-1,340,458.80-802,141.60

Finding the Fourth Proportional to 896,231.20, 1,340,458.80 and 802,141.60

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Solution

The fourth proportional to 896,231.20, 1,340,458.80 and 802,141.60 is: 1,199,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,231.20 : 1,340,458.80 = 802,141.60 : x
  2. Step 2: Convert to fraction form
    896,231.20/1,340,458.80 = 802,141.60/x
  3. Step 3: Cross multiply
    896,231.20x = 1,340,458.80 × 802,141.60
  4. Step 4: Simplify right side
    896,231.20x = 1,075,237,766,566.08
  5. Step 5: Solve for x
    x = 1,075,237,766,566.08/896,231.20
  6. Step 6: Final answer
    x = 1,199,732.58

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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.