Home / 1,369,298.80-2,054,239.80-422,765.20

Finding the Fourth Proportional to 1,369,298.80, 2,054,239.80 and 422,765.20

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Solution

The fourth proportional to 1,369,298.80, 2,054,239.80 and 422,765.20 is: 634,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,298.80 : 2,054,239.80 = 422,765.20 : x
  2. Step 2: Convert to fraction form
    1,369,298.80/2,054,239.80 = 422,765.20/x
  3. Step 3: Cross multiply
    1,369,298.80x = 2,054,239.80 × 422,765.20
  4. Step 4: Simplify right side
    1,369,298.80x = 868,461,099,894.96
  5. Step 5: Solve for x
    x = 868,461,099,894.96/1,369,298.80
  6. Step 6: Final answer
    x = 634,237.83

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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.