Home / 1,739,317.80-2,608,976.70-477,143.40

Finding the Fourth Proportional to 1,739,317.80, 2,608,976.70 and 477,143.40

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Solution

The fourth proportional to 1,739,317.80, 2,608,976.70 and 477,143.40 is: 715,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,317.80 : 2,608,976.70 = 477,143.40 : x
  2. Step 2: Convert to fraction form
    1,739,317.80/2,608,976.70 = 477,143.40/x
  3. Step 3: Cross multiply
    1,739,317.80x = 2,608,976.70 × 477,143.40
  4. Step 4: Simplify right side
    1,739,317.80x = 1,244,856,013,158.78
  5. Step 5: Solve for x
    x = 1,244,856,013,158.78/1,739,317.80
  6. Step 6: Final answer
    x = 715,715.10

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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.