Home / 1,003,343.80-1,505,015.70-470,918.65

Finding the Fourth Proportional to 1,003,343.80, 1,505,015.70 and 470,918.65

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Solution

The fourth proportional to 1,003,343.80, 1,505,015.70 and 470,918.65 is: 706,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,343.80 : 1,505,015.70 = 470,918.65 : x
  2. Step 2: Convert to fraction form
    1,003,343.80/1,505,015.70 = 470,918.65/x
  3. Step 3: Cross multiply
    1,003,343.80x = 1,505,015.70 × 470,918.65
  4. Step 4: Simplify right side
    1,003,343.80x = 708,739,961,672.81
  5. Step 5: Solve for x
    x = 708,739,961,672.81/1,003,343.80
  6. Step 6: Final answer
    x = 706,377.98

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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.