Home / 1,220,064.60-1,683,751.20-703,626.48

Finding the Fourth Proportional to 1,220,064.60, 1,683,751.20 and 703,626.48

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Solution

The fourth proportional to 1,220,064.60, 1,683,751.20 and 703,626.48 is: 971,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,064.60 : 1,683,751.20 = 703,626.48 : x
  2. Step 2: Convert to fraction form
    1,220,064.60/1,683,751.20 = 703,626.48/x
  3. Step 3: Cross multiply
    1,220,064.60x = 1,683,751.20 × 703,626.48
  4. Step 4: Simplify right side
    1,220,064.60x = 1,184,731,930,051.78
  5. Step 5: Solve for x
    x = 1,184,731,930,051.78/1,220,064.60
  6. Step 6: Final answer
    x = 971,040.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.