Home / 1,371,785.34-1,893,720.15-913,662.30

Finding the Fourth Proportional to 1,371,785.34, 1,893,720.15 and 913,662.30

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Solution

The fourth proportional to 1,371,785.34, 1,893,720.15 and 913,662.30 is: 1,261,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,785.34 : 1,893,720.15 = 913,662.30 : x
  2. Step 2: Convert to fraction form
    1,371,785.34/1,893,720.15 = 913,662.30/x
  3. Step 3: Cross multiply
    1,371,785.34x = 1,893,720.15 × 913,662.30
  4. Step 4: Simplify right side
    1,371,785.34x = 1,730,220,707,805.35
  5. Step 5: Solve for x
    x = 1,730,220,707,805.35/1,371,785.34
  6. Step 6: Final answer
    x = 1,261,291.15

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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.