Home / 1,580,319.59-2,370,479.09-669,645.50

Finding the Fourth Proportional to 1,580,319.59, 2,370,479.09 and 669,645.50

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Solution

The fourth proportional to 1,580,319.59, 2,370,479.09 and 669,645.50 is: 1,004,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,319.59 : 2,370,479.09 = 669,645.50 : x
  2. Step 2: Convert to fraction form
    1,580,319.59/2,370,479.09 = 669,645.50/x
  3. Step 3: Cross multiply
    1,580,319.59x = 2,370,479.09 × 669,645.50
  4. Step 4: Simplify right side
    1,580,319.59x = 1,587,380,640,261.97
  5. Step 5: Solve for x
    x = 1,587,380,640,261.97/1,580,319.59
  6. Step 6: Final answer
    x = 1,004,468.12

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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.