Home / 1,341,690.84-2,012,109.48-442,965.24

Finding the Fourth Proportional to 1,341,690.84, 2,012,109.48 and 442,965.24

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Solution

The fourth proportional to 1,341,690.84, 2,012,109.48 and 442,965.24 is: 664,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,690.84 : 2,012,109.48 = 442,965.24 : x
  2. Step 2: Convert to fraction form
    1,341,690.84/2,012,109.48 = 442,965.24/x
  3. Step 3: Cross multiply
    1,341,690.84x = 2,012,109.48 × 442,965.24
  4. Step 4: Simplify right side
    1,341,690.84x = 891,294,558,714.48
  5. Step 5: Solve for x
    x = 891,294,558,714.48/1,341,690.84
  6. Step 6: Final answer
    x = 664,306.96

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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.