Finding the Fourth Proportional to 1,068,635.98, 1,474,707.15 and 578,603.11
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Solution
The fourth proportional to 1,068,635.98, 1,474,707.15 and 578,603.11 is: 798,466.61
Step by Step Solution
- Step 1: Write the proportion equation
1,068,635.98 : 1,474,707.15 = 578,603.11 : x - Step 2: Convert to fraction form
1,068,635.98/1,474,707.15 = 578,603.11/x - Step 3: Cross multiply
1,068,635.98x = 1,474,707.15 × 578,603.11 - Step 4: Simplify right side
1,068,635.98x = 853,270,143,329.24 - Step 5: Solve for x
x = 853,270,143,329.24/1,068,635.98 - Step 6: Final answer
x = 798,466.61
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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.