Home / 1,214,743.40-1,822,115.10-931,308.20

Finding the Fourth Proportional to 1,214,743.40, 1,822,115.10 and 931,308.20

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Solution

The fourth proportional to 1,214,743.40, 1,822,115.10 and 931,308.20 is: 1,396,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,743.40 : 1,822,115.10 = 931,308.20 : x
  2. Step 2: Convert to fraction form
    1,214,743.40/1,822,115.10 = 931,308.20/x
  3. Step 3: Cross multiply
    1,214,743.40x = 1,822,115.10 × 931,308.20
  4. Step 4: Simplify right side
    1,214,743.40x = 1,696,950,733,973.82
  5. Step 5: Solve for x
    x = 1,696,950,733,973.82/1,214,743.40
  6. Step 6: Final answer
    x = 1,396,962.30

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Similar ratio
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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.