Home / 1,299,374.10-1,949,061.15-984,446.10

Finding the Fourth Proportional to 1,299,374.10, 1,949,061.15 and 984,446.10

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Solution

The fourth proportional to 1,299,374.10, 1,949,061.15 and 984,446.10 is: 1,476,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,374.10 : 1,949,061.15 = 984,446.10 : x
  2. Step 2: Convert to fraction form
    1,299,374.10/1,949,061.15 = 984,446.10/x
  3. Step 3: Cross multiply
    1,299,374.10x = 1,949,061.15 × 984,446.10
  4. Step 4: Simplify right side
    1,299,374.10x = 1,918,745,647,779.02
  5. Step 5: Solve for x
    x = 1,918,745,647,779.02/1,299,374.10
  6. Step 6: Final answer
    x = 1,476,669.15

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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.