Home / 1,005,857.70-1,387,978.65-576,155.94

Finding the Fourth Proportional to 1,005,857.70, 1,387,978.65 and 576,155.94

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Solution

The fourth proportional to 1,005,857.70, 1,387,978.65 and 576,155.94 is: 795,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,857.70 : 1,387,978.65 = 576,155.94 : x
  2. Step 2: Convert to fraction form
    1,005,857.70/1,387,978.65 = 576,155.94/x
  3. Step 3: Cross multiply
    1,005,857.70x = 1,387,978.65 × 576,155.94
  4. Step 4: Simplify right side
    1,005,857.70x = 799,692,143,790.68
  5. Step 5: Solve for x
    x = 799,692,143,790.68/1,005,857.70
  6. Step 6: Final answer
    x = 795,035.07

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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.