Home / 1,218,532.61-1,681,627.55-674,668.41

Finding the Fourth Proportional to 1,218,532.61, 1,681,627.55 and 674,668.41

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Solution

The fourth proportional to 1,218,532.61, 1,681,627.55 and 674,668.41 is: 931,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,532.61 : 1,681,627.55 = 674,668.41 : x
  2. Step 2: Convert to fraction form
    1,218,532.61/1,681,627.55 = 674,668.41/x
  3. Step 3: Cross multiply
    1,218,532.61x = 1,681,627.55 × 674,668.41
  4. Step 4: Simplify right side
    1,218,532.61x = 1,134,540,985,370.70
  5. Step 5: Solve for x
    x = 1,134,540,985,370.70/1,218,532.61
  6. Step 6: Final answer
    x = 931,071.50

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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.