Home / 1,214,973.80-1,824,015.90-646,807.40

Finding the Fourth Proportional to 1,214,973.80, 1,824,015.90 and 646,807.40

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Solution

The fourth proportional to 1,214,973.80, 1,824,015.90 and 646,807.40 is: 971,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,973.80 : 1,824,015.90 = 646,807.40 : x
  2. Step 2: Convert to fraction form
    1,214,973.80/1,824,015.90 = 646,807.40/x
  3. Step 3: Cross multiply
    1,214,973.80x = 1,824,015.90 × 646,807.40
  4. Step 4: Simplify right side
    1,214,973.80x = 1,179,786,981,837.66
  5. Step 5: Solve for x
    x = 1,179,786,981,837.66/1,214,973.80
  6. Step 6: Final answer
    x = 971,039.03

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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.