Home / 1,478,520.36-2,040,272.95-825,095.13

Finding the Fourth Proportional to 1,478,520.36, 2,040,272.95 and 825,095.13

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Solution

The fourth proportional to 1,478,520.36, 2,040,272.95 and 825,095.13 is: 1,138,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,520.36 : 2,040,272.95 = 825,095.13 : x
  2. Step 2: Convert to fraction form
    1,478,520.36/2,040,272.95 = 825,095.13/x
  3. Step 3: Cross multiply
    1,478,520.36x = 2,040,272.95 × 825,095.13
  4. Step 4: Simplify right side
    1,478,520.36x = 1,683,419,270,790.26
  5. Step 5: Solve for x
    x = 1,683,419,270,790.26/1,478,520.36
  6. Step 6: Final answer
    x = 1,138,583.76

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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.