Home / 910,793.80-1,363,566.30-816,315.40

Finding the Fourth Proportional to 910,793.80, 1,363,566.30 and 816,315.40

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Solution

The fourth proportional to 910,793.80, 1,363,566.30 and 816,315.40 is: 1,222,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,793.80 : 1,363,566.30 = 816,315.40 : x
  2. Step 2: Convert to fraction form
    910,793.80/1,363,566.30 = 816,315.40/x
  3. Step 3: Cross multiply
    910,793.80x = 1,363,566.30 × 816,315.40
  4. Step 4: Simplify right side
    910,793.80x = 1,113,100,169,611.02
  5. Step 5: Solve for x
    x = 1,113,100,169,611.02/910,793.80
  6. Step 6: Final answer
    x = 1,222,120.93

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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.