Home / 1,079,575.02-1,619,590.88-405,662.15

Finding the Fourth Proportional to 1,079,575.02, 1,619,590.88 and 405,662.15

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Solution

The fourth proportional to 1,079,575.02, 1,619,590.88 and 405,662.15 is: 608,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,575.02 : 1,619,590.88 = 405,662.15 : x
  2. Step 2: Convert to fraction form
    1,079,575.02/1,619,590.88 = 405,662.15/x
  3. Step 3: Cross multiply
    1,079,575.02x = 1,619,590.88 × 405,662.15
  4. Step 4: Simplify right side
    1,079,575.02x = 657,006,718,153.56
  5. Step 5: Solve for x
    x = 657,006,718,153.56/1,079,575.02
  6. Step 6: Final answer
    x = 608,579.03

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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.