Home / 1,100,459.82-1,518,075.62-718,710.06

Finding the Fourth Proportional to 1,100,459.82, 1,518,075.62 and 718,710.06

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Solution

The fourth proportional to 1,100,459.82, 1,518,075.62 and 718,710.06 is: 991,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,459.82 : 1,518,075.62 = 718,710.06 : x
  2. Step 2: Convert to fraction form
    1,100,459.82/1,518,075.62 = 718,710.06/x
  3. Step 3: Cross multiply
    1,100,459.82x = 1,518,075.62 × 718,710.06
  4. Step 4: Simplify right side
    1,100,459.82x = 1,091,056,219,934.74
  5. Step 5: Solve for x
    x = 1,091,056,219,934.74/1,100,459.82
  6. Step 6: Final answer
    x = 991,454.84

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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.