Finding the Fourth Proportional to 1,245,654.18, 1,868,482.35 and 891,360.18
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Solution
The fourth proportional to 1,245,654.18, 1,868,482.35 and 891,360.18 is: 1,337,041.04
Step by Step Solution
- Step 1: Write the proportion equation
1,245,654.18 : 1,868,482.35 = 891,360.18 : x - Step 2: Convert to fraction form
1,245,654.18/1,868,482.35 = 891,360.18/x - Step 3: Cross multiply
1,245,654.18x = 1,868,482.35 × 891,360.18 - Step 4: Simplify right side
1,245,654.18x = 1,665,490,763,822.82 - Step 5: Solve for x
x = 1,665,490,763,822.82/1,245,654.18 - Step 6: Final answer
x = 1,337,041.04
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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.