Home / 1,293,780.22-1,785,436.23-742,587.10

Finding the Fourth Proportional to 1,293,780.22, 1,785,436.23 and 742,587.10

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Solution

The fourth proportional to 1,293,780.22, 1,785,436.23 and 742,587.10 is: 1,024,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,780.22 : 1,785,436.23 = 742,587.10 : x
  2. Step 2: Convert to fraction form
    1,293,780.22/1,785,436.23 = 742,587.10/x
  3. Step 3: Cross multiply
    1,293,780.22x = 1,785,436.23 × 742,587.10
  4. Step 4: Simplify right side
    1,293,780.22x = 1,325,841,912,270.63
  5. Step 5: Solve for x
    x = 1,325,841,912,270.63/1,293,780.22
  6. Step 6: Final answer
    x = 1,024,781.41

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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.