Home / 1,077,628.37-1,616,442.56-478,448.69

Finding the Fourth Proportional to 1,077,628.37, 1,616,442.56 and 478,448.69

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Solution

The fourth proportional to 1,077,628.37, 1,616,442.56 and 478,448.69 is: 717,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,628.37 : 1,616,442.56 = 478,448.69 : x
  2. Step 2: Convert to fraction form
    1,077,628.37/1,616,442.56 = 478,448.69/x
  3. Step 3: Cross multiply
    1,077,628.37x = 1,616,442.56 × 478,448.69
  4. Step 4: Simplify right side
    1,077,628.37x = 773,384,822,900.00
  5. Step 5: Solve for x
    x = 773,384,822,900.00/1,077,628.37
  6. Step 6: Final answer
    x = 717,673.04

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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.