Finding the Fourth Proportional to 1,283,555.56, 1,925,307.40 and 442,088.68
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Solution
The fourth proportional to 1,283,555.56, 1,925,307.40 and 442,088.68 is: 663,124.09
Step by Step Solution
- Step 1: Write the proportion equation
1,283,555.56 : 1,925,307.40 = 442,088.68 : x - Step 2: Convert to fraction form
1,283,555.56/1,925,307.40 = 442,088.68/x - Step 3: Cross multiply
1,283,555.56x = 1,925,307.40 × 442,088.68 - Step 4: Simplify right side
1,283,555.56x = 851,156,607,060.23 - Step 5: Solve for x
x = 851,156,607,060.23/1,283,555.56 - Step 6: Final answer
x = 663,124.09
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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.