Home / 1,580,668.80-2,364,004.80-1,328,726.40

Finding the Fourth Proportional to 1,580,668.80, 2,364,004.80 and 1,328,726.40

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Solution

The fourth proportional to 1,580,668.80, 2,364,004.80 and 1,328,726.40 is: 1,987,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,668.80 : 2,364,004.80 = 1,328,726.40 : x
  2. Step 2: Convert to fraction form
    1,580,668.80/2,364,004.80 = 1,328,726.40/x
  3. Step 3: Cross multiply
    1,580,668.80x = 2,364,004.80 × 1,328,726.40
  4. Step 4: Simplify right side
    1,580,668.80x = 3,141,115,587,486.72
  5. Step 5: Solve for x
    x = 3,141,115,587,486.72/1,580,668.80
  6. Step 6: Final answer
    x = 1,987,206.67

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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.