Home / 1,280,759.75-1,767,485.10-700,015.26

Finding the Fourth Proportional to 1,280,759.75, 1,767,485.10 and 700,015.26

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Solution

The fourth proportional to 1,280,759.75, 1,767,485.10 and 700,015.26 is: 966,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,759.75 : 1,767,485.10 = 700,015.26 : x
  2. Step 2: Convert to fraction form
    1,280,759.75/1,767,485.10 = 700,015.26/x
  3. Step 3: Cross multiply
    1,280,759.75x = 1,767,485.10 × 700,015.26
  4. Step 4: Simplify right side
    1,280,759.75x = 1,237,266,551,075.75
  5. Step 5: Solve for x
    x = 1,237,266,551,075.75/1,280,759.75
  6. Step 6: Final answer
    x = 966,041.10

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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.