Finding the Fourth Proportional to 1,239,550.28, 1,710,582.94 and 688,267.18
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Solution
The fourth proportional to 1,239,550.28, 1,710,582.94 and 688,267.18 is: 949,810.68
Step by Step Solution
- Step 1: Write the proportion equation
1,239,550.28 : 1,710,582.94 = 688,267.18 : x - Step 2: Convert to fraction form
1,239,550.28/1,710,582.94 = 688,267.18/x - Step 3: Cross multiply
1,239,550.28x = 1,710,582.94 × 688,267.18 - Step 4: Simplify right side
1,239,550.28x = 1,177,338,096,269.91 - Step 5: Solve for x
x = 1,177,338,096,269.91/1,239,550.28 - Step 6: Final answer
x = 949,810.68
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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.