Finding the Fourth Proportional to 1,119,932.18, 1,545,639.57 and 707,068.82
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Solution
The fourth proportional to 1,119,932.18, 1,545,639.57 and 707,068.82 is: 975,839.04
Step by Step Solution
- Step 1: Write the proportion equation
1,119,932.18 : 1,545,639.57 = 707,068.82 : x - Step 2: Convert to fraction form
1,119,932.18/1,545,639.57 = 707,068.82/x - Step 3: Cross multiply
1,119,932.18x = 1,545,639.57 × 707,068.82 - Step 4: Simplify right side
1,119,932.18x = 1,092,873,546,905.21 - Step 5: Solve for x
x = 1,092,873,546,905.21/1,119,932.18 - Step 6: Final answer
x = 975,839.04
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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.