Home / 1,642,885.20-2,461,678.20-930,795.60

Finding the Fourth Proportional to 1,642,885.20, 2,461,678.20 and 930,795.60

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Solution

The fourth proportional to 1,642,885.20, 2,461,678.20 and 930,795.60 is: 1,394,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,885.20 : 2,461,678.20 = 930,795.60 : x
  2. Step 2: Convert to fraction form
    1,642,885.20/2,461,678.20 = 930,795.60/x
  3. Step 3: Cross multiply
    1,642,885.20x = 2,461,678.20 × 930,795.60
  4. Step 4: Simplify right side
    1,642,885.20x = 2,291,319,237,175.92
  5. Step 5: Solve for x
    x = 2,291,319,237,175.92/1,642,885.20
  6. Step 6: Final answer
    x = 1,394,692.24

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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.