Home / 1,383,482.24-1,909,208.64-779,870.24

Finding the Fourth Proportional to 1,383,482.24, 1,909,208.64 and 779,870.24

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Solution

The fourth proportional to 1,383,482.24, 1,909,208.64 and 779,870.24 is: 1,076,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,482.24 : 1,909,208.64 = 779,870.24 : x
  2. Step 2: Convert to fraction form
    1,383,482.24/1,909,208.64 = 779,870.24/x
  3. Step 3: Cross multiply
    1,383,482.24x = 1,909,208.64 × 779,870.24
  4. Step 4: Simplify right side
    1,383,482.24x = 1,488,935,000,286.87
  5. Step 5: Solve for x
    x = 1,488,935,000,286.87/1,383,482.24
  6. Step 6: Final answer
    x = 1,076,222.71

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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.