Home / 1,403,060.42-2,103,936.35-728,960.49

Finding the Fourth Proportional to 1,403,060.42, 2,103,936.35 and 728,960.49

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Solution

The fourth proportional to 1,403,060.42, 2,103,936.35 and 728,960.49 is: 1,093,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,060.42 : 2,103,936.35 = 728,960.49 : x
  2. Step 2: Convert to fraction form
    1,403,060.42/2,103,936.35 = 728,960.49/x
  3. Step 3: Cross multiply
    1,403,060.42x = 2,103,936.35 × 728,960.49
  4. Step 4: Simplify right side
    1,403,060.42x = 1,533,686,468,980.01
  5. Step 5: Solve for x
    x = 1,533,686,468,980.01/1,403,060.42
  6. Step 6: Final answer
    x = 1,093,100.80

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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.