Home / 1,825,438.40-2,739,712.80-816,113.60

Finding the Fourth Proportional to 1,825,438.40, 2,739,712.80 and 816,113.60

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Solution

The fourth proportional to 1,825,438.40, 2,739,712.80 and 816,113.60 is: 1,224,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,438.40 : 2,739,712.80 = 816,113.60 : x
  2. Step 2: Convert to fraction form
    1,825,438.40/2,739,712.80 = 816,113.60/x
  3. Step 3: Cross multiply
    1,825,438.40x = 2,739,712.80 × 816,113.60
  4. Step 4: Simplify right side
    1,825,438.40x = 2,235,916,876,174.08
  5. Step 5: Solve for x
    x = 2,235,916,876,174.08/1,825,438.40
  6. Step 6: Final answer
    x = 1,224,865.70

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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.