Finding the Fourth Proportional to 1,312,980.20, 1,967,813.64 and 704,258.84
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Solution
The fourth proportional to 1,312,980.20, 1,967,813.64 and 704,258.84 is: 1,055,499.66
Step by Step Solution
- Step 1: Write the proportion equation
1,312,980.20 : 1,967,813.64 = 704,258.84 : x - Step 2: Convert to fraction form
1,312,980.20/1,967,813.64 = 704,258.84/x - Step 3: Cross multiply
1,312,980.20x = 1,967,813.64 × 704,258.84 - Step 4: Simplify right side
1,312,980.20x = 1,385,850,151,442.58 - Step 5: Solve for x
x = 1,385,850,151,442.58/1,312,980.20 - Step 6: Final answer
x = 1,055,499.66
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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.