Home / 1,075,317.21-1,612,973.85-317,690.88

Finding the Fourth Proportional to 1,075,317.21, 1,612,973.85 and 317,690.88

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Solution

The fourth proportional to 1,075,317.21, 1,612,973.85 and 317,690.88 is: 476,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,317.21 : 1,612,973.85 = 317,690.88 : x
  2. Step 2: Convert to fraction form
    1,075,317.21/1,612,973.85 = 317,690.88/x
  3. Step 3: Cross multiply
    1,075,317.21x = 1,612,973.85 × 317,690.88
  4. Step 4: Simplify right side
    1,075,317.21x = 512,427,081,823.49
  5. Step 5: Solve for x
    x = 512,427,081,823.49/1,075,317.21
  6. Step 6: Final answer
    x = 476,535.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.