Home / 1,005,131.53-1,507,051.07-663,179.81

Finding the Fourth Proportional to 1,005,131.53, 1,507,051.07 and 663,179.81

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Solution

The fourth proportional to 1,005,131.53, 1,507,051.07 and 663,179.81 is: 994,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,131.53 : 1,507,051.07 = 663,179.81 : x
  2. Step 2: Convert to fraction form
    1,005,131.53/1,507,051.07 = 663,179.81/x
  3. Step 3: Cross multiply
    1,005,131.53x = 1,507,051.07 × 663,179.81
  4. Step 4: Simplify right side
    1,005,131.53x = 999,445,833,898.67
  5. Step 5: Solve for x
    x = 999,445,833,898.67/1,005,131.53
  6. Step 6: Final answer
    x = 994,343.33

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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.