Home / 1,567,604.40-2,347,907.40-1,287,668.40

Finding the Fourth Proportional to 1,567,604.40, 2,347,907.40 and 1,287,668.40

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Solution

The fourth proportional to 1,567,604.40, 2,347,907.40 and 1,287,668.40 is: 1,928,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,604.40 : 2,347,907.40 = 1,287,668.40 : x
  2. Step 2: Convert to fraction form
    1,567,604.40/2,347,907.40 = 1,287,668.40/x
  3. Step 3: Cross multiply
    1,567,604.40x = 2,347,907.40 × 1,287,668.40
  4. Step 4: Simplify right side
    1,567,604.40x = 3,023,326,165,106.16
  5. Step 5: Solve for x
    x = 3,023,326,165,106.16/1,567,604.40
  6. Step 6: Final answer
    x = 1,928,628.27

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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.