Home / 1,072,303.26-1,478,958.53-728,404.35

Finding the Fourth Proportional to 1,072,303.26, 1,478,958.53 and 728,404.35

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Solution

The fourth proportional to 1,072,303.26, 1,478,958.53 and 728,404.35 is: 1,004,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,303.26 : 1,478,958.53 = 728,404.35 : x
  2. Step 2: Convert to fraction form
    1,072,303.26/1,478,958.53 = 728,404.35/x
  3. Step 3: Cross multiply
    1,072,303.26x = 1,478,958.53 × 728,404.35
  4. Step 4: Simplify right side
    1,072,303.26x = 1,077,279,823,079.58
  5. Step 5: Solve for x
    x = 1,077,279,823,079.58/1,072,303.26
  6. Step 6: Final answer
    x = 1,004,641.00

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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.