Home / 1,739,123.21-2,608,701.64-659,345.40

Finding the Fourth Proportional to 1,739,123.21, 2,608,701.64 and 659,345.40

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Solution

The fourth proportional to 1,739,123.21, 2,608,701.64 and 659,345.40 is: 989,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,123.21 : 2,608,701.64 = 659,345.40 : x
  2. Step 2: Convert to fraction form
    1,739,123.21/2,608,701.64 = 659,345.40/x
  3. Step 3: Cross multiply
    1,739,123.21x = 2,608,701.64 × 659,345.40
  4. Step 4: Simplify right side
    1,739,123.21x = 1,720,035,424,658.09
  5. Step 5: Solve for x
    x = 1,720,035,424,658.09/1,739,123.21
  6. Step 6: Final answer
    x = 989,024.48

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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.