Home / 1,618,145.40-2,427,218.10-553,092.60

Finding the Fourth Proportional to 1,618,145.40, 2,427,218.10 and 553,092.60

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Solution

The fourth proportional to 1,618,145.40, 2,427,218.10 and 553,092.60 is: 829,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,145.40 : 2,427,218.10 = 553,092.60 : x
  2. Step 2: Convert to fraction form
    1,618,145.40/2,427,218.10 = 553,092.60/x
  3. Step 3: Cross multiply
    1,618,145.40x = 2,427,218.10 × 553,092.60
  4. Step 4: Simplify right side
    1,618,145.40x = 1,342,476,369,696.06
  5. Step 5: Solve for x
    x = 1,342,476,369,696.06/1,618,145.40
  6. Step 6: Final answer
    x = 829,638.90

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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.