Home / 1,079,207.31-1,489,309.32-589,177.64

Finding the Fourth Proportional to 1,079,207.31, 1,489,309.32 and 589,177.64

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Solution

The fourth proportional to 1,079,207.31, 1,489,309.32 and 589,177.64 is: 813,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,207.31 : 1,489,309.32 = 589,177.64 : x
  2. Step 2: Convert to fraction form
    1,079,207.31/1,489,309.32 = 589,177.64/x
  3. Step 3: Cross multiply
    1,079,207.31x = 1,489,309.32 × 589,177.64
  4. Step 4: Simplify right side
    1,079,207.31x = 877,467,742,941.06
  5. Step 5: Solve for x
    x = 877,467,742,941.06/1,079,207.31
  6. Step 6: Final answer
    x = 813,066.90

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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.