Home / 1,338,853.47-2,004,851.48-739,148.91

Finding the Fourth Proportional to 1,338,853.47, 2,004,851.48 and 739,148.91

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Solution

The fourth proportional to 1,338,853.47, 2,004,851.48 and 739,148.91 is: 1,106,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,853.47 : 2,004,851.48 = 739,148.91 : x
  2. Step 2: Convert to fraction form
    1,338,853.47/2,004,851.48 = 739,148.91/x
  3. Step 3: Cross multiply
    1,338,853.47x = 2,004,851.48 × 739,148.91
  4. Step 4: Simplify right side
    1,338,853.47x = 1,481,883,782,458.14
  5. Step 5: Solve for x
    x = 1,481,883,782,458.14/1,338,853.47
  6. Step 6: Final answer
    x = 1,106,830.45

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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.