Home / 1,012,182.84-1,395,907.50-839,827.80

Finding the Fourth Proportional to 1,012,182.84, 1,395,907.50 and 839,827.80

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Solution

The fourth proportional to 1,012,182.84, 1,395,907.50 and 839,827.80 is: 1,158,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,182.84 : 1,395,907.50 = 839,827.80 : x
  2. Step 2: Convert to fraction form
    1,012,182.84/1,395,907.50 = 839,827.80/x
  3. Step 3: Cross multiply
    1,012,182.84x = 1,395,907.50 × 839,827.80
  4. Step 4: Simplify right side
    1,012,182.84x = 1,172,321,924,728.50
  5. Step 5: Solve for x
    x = 1,172,321,924,728.50/1,012,182.84
  6. Step 6: Final answer
    x = 1,158,211.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.