Home / 1,047,090.95-1,570,449.43-278,593.07

Finding the Fourth Proportional to 1,047,090.95, 1,570,449.43 and 278,593.07

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Solution

The fourth proportional to 1,047,090.95, 1,570,449.43 and 278,593.07 is: 417,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,090.95 : 1,570,449.43 = 278,593.07 : x
  2. Step 2: Convert to fraction form
    1,047,090.95/1,570,449.43 = 278,593.07/x
  3. Step 3: Cross multiply
    1,047,090.95x = 1,570,449.43 × 278,593.07
  4. Step 4: Simplify right side
    1,047,090.95x = 437,516,320,131.20
  5. Step 5: Solve for x
    x = 437,516,320,131.20/1,047,090.95
  6. Step 6: Final answer
    x = 417,839.85

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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.