Finding the Fourth Proportional to 1,112,537.30, 1,668,068.58 and 402,472.94
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Solution
The fourth proportional to 1,112,537.30, 1,668,068.58 and 402,472.94 is: 603,442.66
Step by Step Solution
- Step 1: Write the proportion equation
1,112,537.30 : 1,668,068.58 = 402,472.94 : x - Step 2: Convert to fraction form
1,112,537.30/1,668,068.58 = 402,472.94/x - Step 3: Cross multiply
1,112,537.30x = 1,668,068.58 × 402,472.94 - Step 4: Simplify right side
1,112,537.30x = 671,352,465,514.23 - Step 5: Solve for x
x = 671,352,465,514.23/1,112,537.30 - Step 6: Final answer
x = 603,442.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.