Finding the Fourth Proportional to 1,132,431.98, 1,562,756.14 and 623,134.36
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Solution
The fourth proportional to 1,132,431.98, 1,562,756.14 and 623,134.36 is: 859,925.42
Step by Step Solution
- Step 1: Write the proportion equation
1,132,431.98 : 1,562,756.14 = 623,134.36 : x - Step 2: Convert to fraction form
1,132,431.98/1,562,756.14 = 623,134.36/x - Step 3: Cross multiply
1,132,431.98x = 1,562,756.14 × 623,134.36 - Step 4: Simplify right side
1,132,431.98x = 973,807,040,879.03 - Step 5: Solve for x
x = 973,807,040,879.03/1,132,431.98 - Step 6: Final answer
x = 859,925.42
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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.