Home / 1,439,025.66-2,158,162.41-427,875.39

Finding the Fourth Proportional to 1,439,025.66, 2,158,162.41 and 427,875.39

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Solution

The fourth proportional to 1,439,025.66, 2,158,162.41 and 427,875.39 is: 641,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,025.66 : 2,158,162.41 = 427,875.39 : x
  2. Step 2: Convert to fraction form
    1,439,025.66/2,158,162.41 = 427,875.39/x
  3. Step 3: Cross multiply
    1,439,025.66x = 2,158,162.41 × 427,875.39
  4. Step 4: Simplify right side
    1,439,025.66x = 923,424,582,862.09
  5. Step 5: Solve for x
    x = 923,424,582,862.09/1,439,025.66
  6. Step 6: Final answer
    x = 641,701.26

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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.