Home / 1,620,582.39-2,432,399.22-822,436.74

Finding the Fourth Proportional to 1,620,582.39, 2,432,399.22 and 822,436.74

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Solution

The fourth proportional to 1,620,582.39, 2,432,399.22 and 822,436.74 is: 1,234,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,582.39 : 2,432,399.22 = 822,436.74 : x
  2. Step 2: Convert to fraction form
    1,620,582.39/2,432,399.22 = 822,436.74/x
  3. Step 3: Cross multiply
    1,620,582.39x = 2,432,399.22 × 822,436.74
  4. Step 4: Simplify right side
    1,620,582.39x = 2,000,494,484,875.34
  5. Step 5: Solve for x
    x = 2,000,494,484,875.34/1,620,582.39
  6. Step 6: Final answer
    x = 1,234,429.36

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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.