Home / 1,423,907.44-1,964,985.19-770,533

Finding the Fourth Proportional to 1,423,907.44, 1,964,985.19 and 770,533

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Solution

The fourth proportional to 1,423,907.44, 1,964,985.19 and 770,533 is: 1,063,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,907.44 : 1,964,985.19 = 770,533 : x
  2. Step 2: Convert to fraction form
    1,423,907.44/1,964,985.19 = 770,533/x
  3. Step 3: Cross multiply
    1,423,907.44x = 1,964,985.19 × 770,533
  4. Step 4: Simplify right side
    1,423,907.44x = 1,514,085,933,406.27
  5. Step 5: Solve for x
    x = 1,514,085,933,406.27/1,423,907.44
  6. Step 6: Final answer
    x = 1,063,331.71

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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.