Home / 1,313,777.55-1,969,720.10-807,291.93

Finding the Fourth Proportional to 1,313,777.55, 1,969,720.10 and 807,291.93

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Solution

The fourth proportional to 1,313,777.55, 1,969,720.10 and 807,291.93 is: 1,210,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,777.55 : 1,969,720.10 = 807,291.93 : x
  2. Step 2: Convert to fraction form
    1,313,777.55/1,969,720.10 = 807,291.93/x
  3. Step 3: Cross multiply
    1,313,777.55x = 1,969,720.10 × 807,291.93
  4. Step 4: Simplify right side
    1,313,777.55x = 1,590,139,143,107.02
  5. Step 5: Solve for x
    x = 1,590,139,143,107.02/1,313,777.55
  6. Step 6: Final answer
    x = 1,210,356.46

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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.