Home / 1,255,664.81-1,881,426.84-723,633.05

Finding the Fourth Proportional to 1,255,664.81, 1,881,426.84 and 723,633.05

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Solution

The fourth proportional to 1,255,664.81, 1,881,426.84 and 723,633.05 is: 1,084,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,664.81 : 1,881,426.84 = 723,633.05 : x
  2. Step 2: Convert to fraction form
    1,255,664.81/1,881,426.84 = 723,633.05/x
  3. Step 3: Cross multiply
    1,255,664.81x = 1,881,426.84 × 723,633.05
  4. Step 4: Simplify right side
    1,255,664.81x = 1,361,462,633,173.93
  5. Step 5: Solve for x
    x = 1,361,462,633,173.93/1,255,664.81
  6. Step 6: Final answer
    x = 1,084,256.43

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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.