Home / 1,208,838.30-1,814,095.80-909,948.30

Finding the Fourth Proportional to 1,208,838.30, 1,814,095.80 and 909,948.30

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Solution

The fourth proportional to 1,208,838.30, 1,814,095.80 and 909,948.30 is: 1,365,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,838.30 : 1,814,095.80 = 909,948.30 : x
  2. Step 2: Convert to fraction form
    1,208,838.30/1,814,095.80 = 909,948.30/x
  3. Step 3: Cross multiply
    1,208,838.30x = 1,814,095.80 × 909,948.30
  4. Step 4: Simplify right side
    1,208,838.30x = 1,650,733,389,247.14
  5. Step 5: Solve for x
    x = 1,650,733,389,247.14/1,208,838.30
  6. Step 6: Final answer
    x = 1,365,553.51

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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.