Home / 1,077,629.37-1,616,444.06-478,449.69

Finding the Fourth Proportional to 1,077,629.37, 1,616,444.06 and 478,449.69

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Solution

The fourth proportional to 1,077,629.37, 1,616,444.06 and 478,449.69 is: 717,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,629.37 : 1,616,444.06 = 478,449.69 : x
  2. Step 2: Convert to fraction form
    1,077,629.37/1,616,444.06 = 478,449.69/x
  3. Step 3: Cross multiply
    1,077,629.37x = 1,616,444.06 × 478,449.69
  4. Step 4: Simplify right side
    1,077,629.37x = 773,387,159,409.34
  5. Step 5: Solve for x
    x = 773,387,159,409.34/1,077,629.37
  6. Step 6: Final answer
    x = 717,674.54

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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.