Home / 1,293,320.29-1,784,782.56-749,771.20

Finding the Fourth Proportional to 1,293,320.29, 1,784,782.56 and 749,771.20

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Solution

The fourth proportional to 1,293,320.29, 1,784,782.56 and 749,771.20 is: 1,034,684.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,320.29 : 1,784,782.56 = 749,771.20 : x
  2. Step 2: Convert to fraction form
    1,293,320.29/1,784,782.56 = 749,771.20/x
  3. Step 3: Cross multiply
    1,293,320.29x = 1,784,782.56 × 749,771.20
  4. Step 4: Simplify right side
    1,293,320.29x = 1,338,178,561,750.27
  5. Step 5: Solve for x
    x = 1,338,178,561,750.27/1,293,320.29
  6. Step 6: Final answer
    x = 1,034,684.58

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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.