Home / 1,075,155.12-1,483,713.72-622,436.40

Finding the Fourth Proportional to 1,075,155.12, 1,483,713.72 and 622,436.40

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Solution

The fourth proportional to 1,075,155.12, 1,483,713.72 and 622,436.40 is: 858,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,155.12 : 1,483,713.72 = 622,436.40 : x
  2. Step 2: Convert to fraction form
    1,075,155.12/1,483,713.72 = 622,436.40/x
  3. Step 3: Cross multiply
    1,075,155.12x = 1,483,713.72 × 622,436.40
  4. Step 4: Simplify right side
    1,075,155.12x = 923,517,426,507.41
  5. Step 5: Solve for x
    x = 923,517,426,507.41/1,075,155.12
  6. Step 6: Final answer
    x = 858,962.03

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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.