Home / 822,905.20-1,234,357.80-817,656.40

Finding the Fourth Proportional to 822,905.20, 1,234,357.80 and 817,656.40

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Solution

The fourth proportional to 822,905.20, 1,234,357.80 and 817,656.40 is: 1,226,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,905.20 : 1,234,357.80 = 817,656.40 : x
  2. Step 2: Convert to fraction form
    822,905.20/1,234,357.80 = 817,656.40/x
  3. Step 3: Cross multiply
    822,905.20x = 1,234,357.80 × 817,656.40
  4. Step 4: Simplify right side
    822,905.20x = 1,009,280,555,059.92
  5. Step 5: Solve for x
    x = 1,009,280,555,059.92/822,905.20
  6. Step 6: Final answer
    x = 1,226,484.60

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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.