Finding the Fourth Proportional to 1,125,852.75, 1,688,954.09 and 378,073.71
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Solution
The fourth proportional to 1,125,852.75, 1,688,954.09 and 378,073.71 is: 567,169.32
Step by Step Solution
- Step 1: Write the proportion equation
1,125,852.75 : 1,688,954.09 = 378,073.71 : x - Step 2: Convert to fraction form
1,125,852.75/1,688,954.09 = 378,073.71/x - Step 3: Cross multiply
1,125,852.75x = 1,688,954.09 × 378,073.71 - Step 4: Simplify right side
1,125,852.75x = 638,549,136,935.61 - Step 5: Solve for x
x = 638,549,136,935.61/1,125,852.75 - Step 6: Final answer
x = 567,169.32
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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.