Home / 1,427,922-2,142,536.40-618,553.80

Finding the Fourth Proportional to 1,427,922, 2,142,536.40 and 618,553.80

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Solution

The fourth proportional to 1,427,922, 2,142,536.40 and 618,553.80 is: 928,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,922 : 2,142,536.40 = 618,553.80 : x
  2. Step 2: Convert to fraction form
    1,427,922/2,142,536.40 = 618,553.80/x
  3. Step 3: Cross multiply
    1,427,922x = 2,142,536.40 × 618,553.80
  4. Step 4: Simplify right side
    1,427,922x = 1,325,274,031,858.32
  5. Step 5: Solve for x
    x = 1,325,274,031,858.32/1,427,922
  6. Step 6: Final answer
    x = 928,113.74

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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.