Home / 1,139,301.92-1,570,807.68-730,682.80

Finding the Fourth Proportional to 1,139,301.92, 1,570,807.68 and 730,682.80

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Solution

The fourth proportional to 1,139,301.92, 1,570,807.68 and 730,682.80 is: 1,007,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,301.92 : 1,570,807.68 = 730,682.80 : x
  2. Step 2: Convert to fraction form
    1,139,301.92/1,570,807.68 = 730,682.80/x
  3. Step 3: Cross multiply
    1,139,301.92x = 1,570,807.68 × 730,682.80
  4. Step 4: Simplify right side
    1,139,301.92x = 1,147,762,153,883.90
  5. Step 5: Solve for x
    x = 1,147,762,153,883.90/1,139,301.92
  6. Step 6: Final answer
    x = 1,007,425.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.