Home / 1,489,905.64-2,056,006.02-810,840.52

Finding the Fourth Proportional to 1,489,905.64, 2,056,006.02 and 810,840.52

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Solution

The fourth proportional to 1,489,905.64, 2,056,006.02 and 810,840.52 is: 1,118,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,905.64 : 2,056,006.02 = 810,840.52 : x
  2. Step 2: Convert to fraction form
    1,489,905.64/2,056,006.02 = 810,840.52/x
  3. Step 3: Cross multiply
    1,489,905.64x = 2,056,006.02 × 810,840.52
  4. Step 4: Simplify right side
    1,489,905.64x = 1,667,092,990,379.93
  5. Step 5: Solve for x
    x = 1,667,092,990,379.93/1,489,905.64
  6. Step 6: Final answer
    x = 1,118,925.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.