Finding the Fourth Proportional to 1,295,620.02, 1,787,950.98 and 722,659.74
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Solution
The fourth proportional to 1,295,620.02, 1,787,950.98 and 722,659.74 is: 997,267.85
Step by Step Solution
- Step 1: Write the proportion equation
1,295,620.02 : 1,787,950.98 = 722,659.74 : x - Step 2: Convert to fraction form
1,295,620.02/1,787,950.98 = 722,659.74/x - Step 3: Cross multiply
1,295,620.02x = 1,787,950.98 × 722,659.74 - Step 4: Simplify right side
1,295,620.02x = 1,292,080,190,339.55 - Step 5: Solve for x
x = 1,292,080,190,339.55/1,295,620.02 - Step 6: Final answer
x = 997,267.85
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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.