Home / 1,102,535.15-1,521,064.31-637,081.47

Finding the Fourth Proportional to 1,102,535.15, 1,521,064.31 and 637,081.47

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Solution

The fourth proportional to 1,102,535.15, 1,521,064.31 and 637,081.47 is: 878,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,535.15 : 1,521,064.31 = 637,081.47 : x
  2. Step 2: Convert to fraction form
    1,102,535.15/1,521,064.31 = 637,081.47/x
  3. Step 3: Cross multiply
    1,102,535.15x = 1,521,064.31 × 637,081.47
  4. Step 4: Simplify right side
    1,102,535.15x = 969,041,883,393.93
  5. Step 5: Solve for x
    x = 969,041,883,393.93/1,102,535.15
  6. Step 6: Final answer
    x = 878,921.54

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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.