Home / 1,100,459.58-1,518,075.28-718,709.82

Finding the Fourth Proportional to 1,100,459.58, 1,518,075.28 and 718,709.82

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Solution

The fourth proportional to 1,100,459.58, 1,518,075.28 and 718,709.82 is: 991,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,459.58 : 1,518,075.28 = 718,709.82 : x
  2. Step 2: Convert to fraction form
    1,100,459.58/1,518,075.28 = 718,709.82/x
  3. Step 3: Cross multiply
    1,100,459.58x = 1,518,075.28 × 718,709.82
  4. Step 4: Simplify right side
    1,100,459.58x = 1,091,055,611,235.25
  5. Step 5: Solve for x
    x = 1,091,055,611,235.25/1,100,459.58
  6. Step 6: Final answer
    x = 991,454.51

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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.