Finding the Fourth Proportional to 1,252,303.07, 1,728,178.61 and 708,427.35
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Solution
The fourth proportional to 1,252,303.07, 1,728,178.61 and 708,427.35 is: 977,629.96
Step by Step Solution
- Step 1: Write the proportion equation
1,252,303.07 : 1,728,178.61 = 708,427.35 : x - Step 2: Convert to fraction form
1,252,303.07/1,728,178.61 = 708,427.35/x - Step 3: Cross multiply
1,252,303.07x = 1,728,178.61 × 708,427.35 - Step 4: Simplify right side
1,252,303.07x = 1,224,288,989,466.85 - Step 5: Solve for x
x = 1,224,288,989,466.85/1,252,303.07 - Step 6: Final answer
x = 977,629.96
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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.