Home / 1,335,005.83-1,842,270.08-783,712.68

Finding the Fourth Proportional to 1,335,005.83, 1,842,270.08 and 783,712.68

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Solution

The fourth proportional to 1,335,005.83, 1,842,270.08 and 783,712.68 is: 1,081,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,005.83 : 1,842,270.08 = 783,712.68 : x
  2. Step 2: Convert to fraction form
    1,335,005.83/1,842,270.08 = 783,712.68/x
  3. Step 3: Cross multiply
    1,335,005.83x = 1,842,270.08 × 783,712.68
  4. Step 4: Simplify right side
    1,335,005.83x = 1,443,810,410,853.54
  5. Step 5: Solve for x
    x = 1,443,810,410,853.54/1,335,005.83
  6. Step 6: Final answer
    x = 1,081,501.20

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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.