Home / 1,220,323.65-1,830,503.93-461,961.49

Finding the Fourth Proportional to 1,220,323.65, 1,830,503.93 and 461,961.49

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Solution

The fourth proportional to 1,220,323.65, 1,830,503.93 and 461,961.49 is: 692,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,323.65 : 1,830,503.93 = 461,961.49 : x
  2. Step 2: Convert to fraction form
    1,220,323.65/1,830,503.93 = 461,961.49/x
  3. Step 3: Cross multiply
    1,220,323.65x = 1,830,503.93 × 461,961.49
  4. Step 4: Simplify right side
    1,220,323.65x = 845,622,322,953.66
  5. Step 5: Solve for x
    x = 845,622,322,953.66/1,220,323.65
  6. Step 6: Final answer
    x = 692,949.22

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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.