Home / 1,079,259.40-1,489,354.29-589,212.16

Finding the Fourth Proportional to 1,079,259.40, 1,489,354.29 and 589,212.16

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Solution

The fourth proportional to 1,079,259.40, 1,489,354.29 and 589,212.16 is: 813,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,259.40 : 1,489,354.29 = 589,212.16 : x
  2. Step 2: Convert to fraction form
    1,079,259.40/1,489,354.29 = 589,212.16/x
  3. Step 3: Cross multiply
    1,079,259.40x = 1,489,354.29 × 589,212.16
  4. Step 4: Simplify right side
    1,079,259.40x = 877,545,658,216.17
  5. Step 5: Solve for x
    x = 877,545,658,216.17/1,079,259.40
  6. Step 6: Final answer
    x = 813,099.85

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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.