Home / 1,075,575-1,613,464.02-317,419.32

Finding the Fourth Proportional to 1,075,575, 1,613,464.02 and 317,419.32

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Solution

The fourth proportional to 1,075,575, 1,613,464.02 and 317,419.32 is: 476,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,575 : 1,613,464.02 = 317,419.32 : x
  2. Step 2: Convert to fraction form
    1,075,575/1,613,464.02 = 317,419.32/x
  3. Step 3: Cross multiply
    1,075,575x = 1,613,464.02 × 317,419.32
  4. Step 4: Simplify right side
    1,075,575x = 512,144,652,072.87
  5. Step 5: Solve for x
    x = 512,144,652,072.87/1,075,575
  6. Step 6: Final answer
    x = 476,158.94

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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.