Home / 1,739,189.80-2,608,784.70-477,015.40

Finding the Fourth Proportional to 1,739,189.80, 2,608,784.70 and 477,015.40

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Solution

The fourth proportional to 1,739,189.80, 2,608,784.70 and 477,015.40 is: 715,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,189.80 : 2,608,784.70 = 477,015.40 : x
  2. Step 2: Convert to fraction form
    1,739,189.80/2,608,784.70 = 477,015.40/x
  3. Step 3: Cross multiply
    1,739,189.80x = 2,608,784.70 × 477,015.40
  4. Step 4: Simplify right side
    1,739,189.80x = 1,244,430,477,184.38
  5. Step 5: Solve for x
    x = 1,244,430,477,184.38/1,739,189.80
  6. Step 6: Final answer
    x = 715,523.10

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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.