Finding the Fourth Proportional to 1,068,449.67, 1,602,974.88 and 429,202.26
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Solution
The fourth proportional to 1,068,449.67, 1,602,974.88 and 429,202.26 is: 643,924.05
Step by Step Solution
- Step 1: Write the proportion equation
1,068,449.67 : 1,602,974.88 = 429,202.26 : x - Step 2: Convert to fraction form
1,068,449.67/1,602,974.88 = 429,202.26/x - Step 3: Cross multiply
1,068,449.67x = 1,602,974.88 × 429,202.26 - Step 4: Simplify right side
1,068,449.67x = 688,000,441,219.23 - Step 5: Solve for x
x = 688,000,441,219.23/1,068,449.67 - Step 6: Final answer
x = 643,924.05
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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.