Home / 1,042,833.12-1,439,109.60-565,905.12

Finding the Fourth Proportional to 1,042,833.12, 1,439,109.60 and 565,905.12

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Solution

The fourth proportional to 1,042,833.12, 1,439,109.60 and 565,905.12 is: 780,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,833.12 : 1,439,109.60 = 565,905.12 : x
  2. Step 2: Convert to fraction form
    1,042,833.12/1,439,109.60 = 565,905.12/x
  3. Step 3: Cross multiply
    1,042,833.12x = 1,439,109.60 × 565,905.12
  4. Step 4: Simplify right side
    1,042,833.12x = 814,399,490,881.15
  5. Step 5: Solve for x
    x = 814,399,490,881.15/1,042,833.12
  6. Step 6: Final answer
    x = 780,949.01

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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.