Home / 1,434,904-1,980,167.52-831,641.92

Finding the Fourth Proportional to 1,434,904, 1,980,167.52 and 831,641.92

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Solution

The fourth proportional to 1,434,904, 1,980,167.52 and 831,641.92 is: 1,147,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,904 : 1,980,167.52 = 831,641.92 : x
  2. Step 2: Convert to fraction form
    1,434,904/1,980,167.52 = 831,641.92/x
  3. Step 3: Cross multiply
    1,434,904x = 1,980,167.52 × 831,641.92
  4. Step 4: Simplify right side
    1,434,904x = 1,646,790,318,254.44
  5. Step 5: Solve for x
    x = 1,646,790,318,254.44/1,434,904
  6. Step 6: Final answer
    x = 1,147,665.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.