Finding the Fourth Proportional to 1,142,079.08, 1,715,590.62 and 742,514.36
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Solution
The fourth proportional to 1,142,079.08, 1,715,590.62 and 742,514.36 is: 1,115,378.69
Step by Step Solution
- Step 1: Write the proportion equation
1,142,079.08 : 1,715,590.62 = 742,514.36 : x - Step 2: Convert to fraction form
1,142,079.08/1,715,590.62 = 742,514.36/x - Step 3: Cross multiply
1,142,079.08x = 1,715,590.62 × 742,514.36 - Step 4: Simplify right side
1,142,079.08x = 1,273,850,671,231.30 - Step 5: Solve for x
x = 1,273,850,671,231.30/1,142,079.08 - Step 6: Final answer
x = 1,115,378.69
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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.