Home / 1,489,104.04-2,054,962.02-810,038.92

Finding the Fourth Proportional to 1,489,104.04, 2,054,962.02 and 810,038.92

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Solution

The fourth proportional to 1,489,104.04, 2,054,962.02 and 810,038.92 is: 1,117,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,104.04 : 2,054,962.02 = 810,038.92 : x
  2. Step 2: Convert to fraction form
    1,489,104.04/2,054,962.02 = 810,038.92/x
  3. Step 3: Cross multiply
    1,489,104.04x = 2,054,962.02 × 810,038.92
  4. Step 4: Simplify right side
    1,489,104.04x = 1,664,599,215,321.82
  5. Step 5: Solve for x
    x = 1,664,599,215,321.82/1,489,104.04
  6. Step 6: Final answer
    x = 1,117,852.86

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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.