Home / 1,371,789.34-1,893,725.68-913,666.30

Finding the Fourth Proportional to 1,371,789.34, 1,893,725.68 and 913,666.30

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Solution

The fourth proportional to 1,371,789.34, 1,893,725.68 and 913,666.30 is: 1,261,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,789.34 : 1,893,725.68 = 913,666.30 : x
  2. Step 2: Convert to fraction form
    1,371,789.34/1,893,725.68 = 913,666.30/x
  3. Step 3: Cross multiply
    1,371,789.34x = 1,893,725.68 × 913,666.30
  4. Step 4: Simplify right side
    1,371,789.34x = 1,730,233,335,260.58
  5. Step 5: Solve for x
    x = 1,730,233,335,260.58/1,371,789.34
  6. Step 6: Final answer
    x = 1,261,296.68

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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.