Home / 1,072,314.18-1,478,973.60-728,415.27

Finding the Fourth Proportional to 1,072,314.18, 1,478,973.60 and 728,415.27

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Solution

The fourth proportional to 1,072,314.18, 1,478,973.60 and 728,415.27 is: 1,004,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,314.18 : 1,478,973.60 = 728,415.27 : x
  2. Step 2: Convert to fraction form
    1,072,314.18/1,478,973.60 = 728,415.27/x
  3. Step 3: Cross multiply
    1,072,314.18x = 1,478,973.60 × 728,415.27
  4. Step 4: Simplify right side
    1,072,314.18x = 1,077,306,954,166.87
  5. Step 5: Solve for x
    x = 1,077,306,954,166.87/1,072,314.18
  6. Step 6: Final answer
    x = 1,004,656.07

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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.