Home / 1,533,115.90-2,300,185.66-680,069.87

Finding the Fourth Proportional to 1,533,115.90, 2,300,185.66 and 680,069.87

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Solution

The fourth proportional to 1,533,115.90, 2,300,185.66 and 680,069.87 is: 1,020,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,115.90 : 2,300,185.66 = 680,069.87 : x
  2. Step 2: Convert to fraction form
    1,533,115.90/2,300,185.66 = 680,069.87/x
  3. Step 3: Cross multiply
    1,533,115.90x = 2,300,185.66 × 680,069.87
  4. Step 4: Simplify right side
    1,533,115.90x = 1,564,286,962,772.06
  5. Step 5: Solve for x
    x = 1,564,286,962,772.06/1,533,115.90
  6. Step 6: Final answer
    x = 1,020,331.84

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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.