Home / 822,890.40-1,232,492.40-804,458.40

Finding the Fourth Proportional to 822,890.40, 1,232,492.40 and 804,458.40

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Solution

The fourth proportional to 822,890.40, 1,232,492.40 and 804,458.40 is: 1,204,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,890.40 : 1,232,492.40 = 804,458.40 : x
  2. Step 2: Convert to fraction form
    822,890.40/1,232,492.40 = 804,458.40/x
  3. Step 3: Cross multiply
    822,890.40x = 1,232,492.40 × 804,458.40
  4. Step 4: Simplify right side
    822,890.40x = 991,488,864,116.16
  5. Step 5: Solve for x
    x = 991,488,864,116.16/822,890.40
  6. Step 6: Final answer
    x = 1,204,885.69

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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.