Home / 1,504,270.83-2,075,881.55-815,940.98

Finding the Fourth Proportional to 1,504,270.83, 2,075,881.55 and 815,940.98

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Solution

The fourth proportional to 1,504,270.83, 2,075,881.55 and 815,940.98 is: 1,125,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,270.83 : 2,075,881.55 = 815,940.98 : x
  2. Step 2: Convert to fraction form
    1,504,270.83/2,075,881.55 = 815,940.98/x
  3. Step 3: Cross multiply
    1,504,270.83x = 2,075,881.55 × 815,940.98
  4. Step 4: Simplify right side
    1,504,270.83x = 1,693,796,811,811.81
  5. Step 5: Solve for x
    x = 1,693,796,811,811.81/1,504,270.83
  6. Step 6: Final answer
    x = 1,125,991.93

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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.