Finding the Fourth Proportional to 1,007,553.42, 1,390,317.84 and 571,832.19
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Solution
The fourth proportional to 1,007,553.42, 1,390,317.84 and 571,832.19 is: 789,068.33
Step by Step Solution
- Step 1: Write the proportion equation
1,007,553.42 : 1,390,317.84 = 571,832.19 : x - Step 2: Convert to fraction form
1,007,553.42/1,390,317.84 = 571,832.19/x - Step 3: Cross multiply
1,007,553.42x = 1,390,317.84 × 571,832.19 - Step 4: Simplify right side
1,007,553.42x = 795,028,495,243.27 - Step 5: Solve for x
x = 795,028,495,243.27/1,007,553.42 - Step 6: Final answer
x = 789,068.33
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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.