Home / 1,047,090.44-1,570,448.68-278,592.57

Finding the Fourth Proportional to 1,047,090.44, 1,570,448.68 and 278,592.57

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Solution

The fourth proportional to 1,047,090.44, 1,570,448.68 and 278,592.57 is: 417,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,090.44 : 1,570,448.68 = 278,592.57 : x
  2. Step 2: Convert to fraction form
    1,047,090.44/1,570,448.68 = 278,592.57/x
  3. Step 3: Cross multiply
    1,047,090.44x = 1,570,448.68 × 278,592.57
  4. Step 4: Simplify right side
    1,047,090.44x = 437,515,325,962.06
  5. Step 5: Solve for x
    x = 437,515,325,962.06/1,047,090.44
  6. Step 6: Final answer
    x = 417,839.10

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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.