Finding the Fourth Proportional to 837,564.54, 1,246,874.28 and 832,582.26
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Solution
The fourth proportional to 837,564.54, 1,246,874.28 and 832,582.26 is: 1,239,457.21
Step by Step Solution
- Step 1: Write the proportion equation
837,564.54 : 1,246,874.28 = 832,582.26 : x - Step 2: Convert to fraction form
837,564.54/1,246,874.28 = 832,582.26/x - Step 3: Cross multiply
837,564.54x = 1,246,874.28 × 832,582.26 - Step 4: Simplify right side
837,564.54x = 1,038,125,402,856.09 - Step 5: Solve for x
x = 1,038,125,402,856.09/837,564.54 - Step 6: Final answer
x = 1,239,457.21
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.