Finding the Fourth Proportional to 1,135,270.72, 1,700,979.18 and 685,045.63
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Solution
The fourth proportional to 1,135,270.72, 1,700,979.18 and 685,045.63 is: 1,026,405.71
Step by Step Solution
- Step 1: Write the proportion equation
1,135,270.72 : 1,700,979.18 = 685,045.63 : x - Step 2: Convert to fraction form
1,135,270.72/1,700,979.18 = 685,045.63/x - Step 3: Cross multiply
1,135,270.72x = 1,700,979.18 × 685,045.63 - Step 4: Simplify right side
1,135,270.72x = 1,165,248,353,979.98 - Step 5: Solve for x
x = 1,165,248,353,979.98/1,135,270.72 - Step 6: Final answer
x = 1,026,405.71
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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.