Finding the Fourth Proportional to 1,298,720.08, 1,792,228.44 and 725,760.08
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Solution
The fourth proportional to 1,298,720.08, 1,792,228.44 and 725,760.08 is: 1,001,545.97
Step by Step Solution
- Step 1: Write the proportion equation
1,298,720.08 : 1,792,228.44 = 725,760.08 : x - Step 2: Convert to fraction form
1,298,720.08/1,792,228.44 = 725,760.08/x - Step 3: Cross multiply
1,298,720.08x = 1,792,228.44 × 725,760.08 - Step 4: Simplify right side
1,298,720.08x = 1,300,727,855,992.68 - Step 5: Solve for x
x = 1,300,727,855,992.68/1,298,720.08 - Step 6: Final answer
x = 1,001,545.97
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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.