Home / 1,075,980.58-1,484,857.65-617,112.88

Finding the Fourth Proportional to 1,075,980.58, 1,484,857.65 and 617,112.88

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Solution

The fourth proportional to 1,075,980.58, 1,484,857.65 and 617,112.88 is: 851,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,980.58 : 1,484,857.65 = 617,112.88 : x
  2. Step 2: Convert to fraction form
    1,075,980.58/1,484,857.65 = 617,112.88/x
  3. Step 3: Cross multiply
    1,075,980.58x = 1,484,857.65 × 617,112.88
  4. Step 4: Simplify right side
    1,075,980.58x = 916,324,780,781.53
  5. Step 5: Solve for x
    x = 916,324,780,781.53/1,075,980.58
  6. Step 6: Final answer
    x = 851,618.33

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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.