Finding the Fourth Proportional to 1,125,617.83, 1,686,657.56 and 870,075.97
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Solution
The fourth proportional to 1,125,617.83, 1,686,657.56 and 870,075.97 is: 1,303,746.41
Step by Step Solution
- Step 1: Write the proportion equation
1,125,617.83 : 1,686,657.56 = 870,075.97 : x - Step 2: Convert to fraction form
1,125,617.83/1,686,657.56 = 870,075.97/x - Step 3: Cross multiply
1,125,617.83x = 1,686,657.56 × 870,075.97 - Step 4: Simplify right side
1,125,617.83x = 1,467,520,208,224.45 - Step 5: Solve for x
x = 1,467,520,208,224.45/1,125,617.83 - Step 6: Final answer
x = 1,303,746.41
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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.