Home / 1,499,999.60-2,069,984.96-811,656.44

Finding the Fourth Proportional to 1,499,999.60, 2,069,984.96 and 811,656.44

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Solution

The fourth proportional to 1,499,999.60, 2,069,984.96 and 811,656.44 is: 1,120,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,999.60 : 2,069,984.96 = 811,656.44 : x
  2. Step 2: Convert to fraction form
    1,499,999.60/2,069,984.96 = 811,656.44/x
  3. Step 3: Cross multiply
    1,499,999.60x = 2,069,984.96 × 811,656.44
  4. Step 4: Simplify right side
    1,499,999.60x = 1,680,116,623,487.14
  5. Step 5: Solve for x
    x = 1,680,116,623,487.14/1,499,999.60
  6. Step 6: Final answer
    x = 1,120,078.05

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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.