Finding the Fourth Proportional to 1,078,699.58, 1,488,577.98 and 595,258.40
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Solution
The fourth proportional to 1,078,699.58, 1,488,577.98 and 595,258.40 is: 821,441.45
Step by Step Solution
- Step 1: Write the proportion equation
1,078,699.58 : 1,488,577.98 = 595,258.40 : x - Step 2: Convert to fraction form
1,078,699.58/1,488,577.98 = 595,258.40/x - Step 3: Cross multiply
1,078,699.58x = 1,488,577.98 × 595,258.40 - Step 4: Simplify right side
1,078,699.58x = 886,088,546,650.03 - Step 5: Solve for x
x = 886,088,546,650.03/1,078,699.58 - Step 6: Final answer
x = 821,441.45
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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.