Home / 1,589,815.04-2,385,112.32-1,305,985.28

Finding the Fourth Proportional to 1,589,815.04, 2,385,112.32 and 1,305,985.28

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Solution

The fourth proportional to 1,589,815.04, 2,385,112.32 and 1,305,985.28 is: 1,959,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,815.04 : 2,385,112.32 = 1,305,985.28 : x
  2. Step 2: Convert to fraction form
    1,589,815.04/2,385,112.32 = 1,305,985.28/x
  3. Step 3: Cross multiply
    1,589,815.04x = 2,385,112.32 × 1,305,985.28
  4. Step 4: Simplify right side
    1,589,815.04x = 3,114,921,581,066.65
  5. Step 5: Solve for x
    x = 3,114,921,581,066.65/1,589,815.04
  6. Step 6: Final answer
    x = 1,959,298.10

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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.