Home / 1,072,739.89-1,480,382.02-589,336.35

Finding the Fourth Proportional to 1,072,739.89, 1,480,382.02 and 589,336.35

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Solution

The fourth proportional to 1,072,739.89, 1,480,382.02 and 589,336.35 is: 813,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,739.89 : 1,480,382.02 = 589,336.35 : x
  2. Step 2: Convert to fraction form
    1,072,739.89/1,480,382.02 = 589,336.35/x
  3. Step 3: Cross multiply
    1,072,739.89x = 1,480,382.02 × 589,336.35
  4. Step 4: Simplify right side
    1,072,739.89x = 872,442,936,272.43
  5. Step 5: Solve for x
    x = 872,442,936,272.43/1,072,739.89
  6. Step 6: Final answer
    x = 813,284.70

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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.