Home / 1,371,790.34-1,893,727.06-913,667.30

Finding the Fourth Proportional to 1,371,790.34, 1,893,727.06 and 913,667.30

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Solution

The fourth proportional to 1,371,790.34, 1,893,727.06 and 913,667.30 is: 1,261,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,790.34 : 1,893,727.06 = 913,667.30 : x
  2. Step 2: Convert to fraction form
    1,371,790.34/1,893,727.06 = 913,667.30/x
  3. Step 3: Cross multiply
    1,371,790.34x = 1,893,727.06 × 913,667.30
  4. Step 4: Simplify right side
    1,371,790.34x = 1,730,236,489,847.14
  5. Step 5: Solve for x
    x = 1,730,236,489,847.14/1,371,790.34
  6. Step 6: Final answer
    x = 1,261,298.06

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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.