Home / 1,210,114.20-1,815,344.10-411,432.60

Finding the Fourth Proportional to 1,210,114.20, 1,815,344.10 and 411,432.60

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Solution

The fourth proportional to 1,210,114.20, 1,815,344.10 and 411,432.60 is: 617,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,114.20 : 1,815,344.10 = 411,432.60 : x
  2. Step 2: Convert to fraction form
    1,210,114.20/1,815,344.10 = 411,432.60/x
  3. Step 3: Cross multiply
    1,210,114.20x = 1,815,344.10 × 411,432.60
  4. Step 4: Simplify right side
    1,210,114.20x = 746,891,742,957.66
  5. Step 5: Solve for x
    x = 746,891,742,957.66/1,210,114.20
  6. Step 6: Final answer
    x = 617,207.65

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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.