Finding the Fourth Proportional to 1,207,799.18, 1,666,768.26 and 663,970.00
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Solution
The fourth proportional to 1,207,799.18, 1,666,768.26 and 663,970.00 is: 916,281.56
Step by Step Solution
- Step 1: Write the proportion equation
1,207,799.18 : 1,666,768.26 = 663,970.00 : x - Step 2: Convert to fraction form
1,207,799.18/1,666,768.26 = 663,970.00/x - Step 3: Cross multiply
1,207,799.18x = 1,666,768.26 × 663,970.00 - Step 4: Simplify right side
1,207,799.18x = 1,106,684,116,454.74 - Step 5: Solve for x
x = 1,106,684,116,454.74/1,207,799.18 - Step 6: Final answer
x = 916,281.56
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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.