Home / 1,075,317.71-1,612,974.60-317,691.38

Finding the Fourth Proportional to 1,075,317.71, 1,612,974.60 and 317,691.38

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Solution

The fourth proportional to 1,075,317.71, 1,612,974.60 and 317,691.38 is: 476,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,317.71 : 1,612,974.60 = 317,691.38 : x
  2. Step 2: Convert to fraction form
    1,075,317.71/1,612,974.60 = 317,691.38/x
  3. Step 3: Cross multiply
    1,075,317.71x = 1,612,974.60 × 317,691.38
  4. Step 4: Simplify right side
    1,075,317.71x = 512,428,126,578.95
  5. Step 5: Solve for x
    x = 512,428,126,578.95/1,075,317.71
  6. Step 6: Final answer
    x = 476,536.49

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1.5x scale

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.