Home / 1,689,487.54-2,535,063.94-790,990.10

Finding the Fourth Proportional to 1,689,487.54, 2,535,063.94 and 790,990.10

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Solution

The fourth proportional to 1,689,487.54, 2,535,063.94 and 790,990.10 is: 1,186,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,487.54 : 2,535,063.94 = 790,990.10 : x
  2. Step 2: Convert to fraction form
    1,689,487.54/2,535,063.94 = 790,990.10/x
  3. Step 3: Cross multiply
    1,689,487.54x = 2,535,063.94 × 790,990.10
  4. Step 4: Simplify right side
    1,689,487.54x = 2,005,210,468,709.15
  5. Step 5: Solve for x
    x = 2,005,210,468,709.15/1,689,487.54
  6. Step 6: Final answer
    x = 1,186,874.97

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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.