Finding the Fourth Proportional to 1,289,545.54, 1,779,588.97 and 708,832.08
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Solution
The fourth proportional to 1,289,545.54, 1,779,588.97 and 708,832.08 is: 978,197.13
Step by Step Solution
- Step 1: Write the proportion equation
1,289,545.54 : 1,779,588.97 = 708,832.08 : x - Step 2: Convert to fraction form
1,289,545.54/1,779,588.97 = 708,832.08/x - Step 3: Cross multiply
1,289,545.54x = 1,779,588.97 × 708,832.08 - Step 4: Simplify right side
1,289,545.54x = 1,261,429,749,378.08 - Step 5: Solve for x
x = 1,261,429,749,378.08/1,289,545.54 - Step 6: Final answer
x = 978,197.13
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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.