Home / 1,005,291.40-1,507,937.10-827,998.60

Finding the Fourth Proportional to 1,005,291.40, 1,507,937.10 and 827,998.60

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Solution

The fourth proportional to 1,005,291.40, 1,507,937.10 and 827,998.60 is: 1,241,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,291.40 : 1,507,937.10 = 827,998.60 : x
  2. Step 2: Convert to fraction form
    1,005,291.40/1,507,937.10 = 827,998.60/x
  3. Step 3: Cross multiply
    1,005,291.40x = 1,507,937.10 × 827,998.60
  4. Step 4: Simplify right side
    1,005,291.40x = 1,248,569,807,688.06
  5. Step 5: Solve for x
    x = 1,248,569,807,688.06/1,005,291.40
  6. Step 6: Final answer
    x = 1,241,997.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.