Home / 909,511.40-1,361,642.70-804,535.40

Finding the Fourth Proportional to 909,511.40, 1,361,642.70 and 804,535.40

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Solution

The fourth proportional to 909,511.40, 1,361,642.70 and 804,535.40 is: 1,204,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,511.40 : 1,361,642.70 = 804,535.40 : x
  2. Step 2: Convert to fraction form
    909,511.40/1,361,642.70 = 804,535.40/x
  3. Step 3: Cross multiply
    909,511.40x = 1,361,642.70 × 804,535.40
  4. Step 4: Simplify right side
    909,511.40x = 1,095,489,754,301.58
  5. Step 5: Solve for x
    x = 1,095,489,754,301.58/909,511.40
  6. Step 6: Final answer
    x = 1,204,481.61

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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.