Home / 1,314,288.87-1,971,571.74-545,699.31

Finding the Fourth Proportional to 1,314,288.87, 1,971,571.74 and 545,699.31

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Solution

The fourth proportional to 1,314,288.87, 1,971,571.74 and 545,699.31 is: 818,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,288.87 : 1,971,571.74 = 545,699.31 : x
  2. Step 2: Convert to fraction form
    1,314,288.87/1,971,571.74 = 545,699.31/x
  3. Step 3: Cross multiply
    1,314,288.87x = 1,971,571.74 × 545,699.31
  4. Step 4: Simplify right side
    1,314,288.87x = 1,075,885,338,133.50
  5. Step 5: Solve for x
    x = 1,075,885,338,133.50/1,314,288.87
  6. Step 6: Final answer
    x = 818,606.44

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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.