Home / 1,731,255.86-2,596,928.16-820,225.03

Finding the Fourth Proportional to 1,731,255.86, 2,596,928.16 and 820,225.03

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Solution

The fourth proportional to 1,731,255.86, 2,596,928.16 and 820,225.03 is: 1,230,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,255.86 : 2,596,928.16 = 820,225.03 : x
  2. Step 2: Convert to fraction form
    1,731,255.86/2,596,928.16 = 820,225.03/x
  3. Step 3: Cross multiply
    1,731,255.86x = 2,596,928.16 × 820,225.03
  4. Step 4: Simplify right side
    1,731,255.86x = 2,130,065,477,943.85
  5. Step 5: Solve for x
    x = 2,130,065,477,943.85/1,731,255.86
  6. Step 6: Final answer
    x = 1,230,358.57

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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.