Home / 1,108,859.50-1,530,138.09-625,270.06

Finding the Fourth Proportional to 1,108,859.50, 1,530,138.09 and 625,270.06

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Solution

The fourth proportional to 1,108,859.50, 1,530,138.09 and 625,270.06 is: 862,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,859.50 : 1,530,138.09 = 625,270.06 : x
  2. Step 2: Convert to fraction form
    1,108,859.50/1,530,138.09 = 625,270.06/x
  3. Step 3: Cross multiply
    1,108,859.50x = 1,530,138.09 × 625,270.06
  4. Step 4: Simplify right side
    1,108,859.50x = 956,749,535,342.59
  5. Step 5: Solve for x
    x = 956,749,535,342.59/1,108,859.50
  6. Step 6: Final answer
    x = 862,823.05

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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.