Finding the Fourth Proportional to 1,151,993.80, 1,590,349.16 and 841,547.79
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Solution
The fourth proportional to 1,151,993.80, 1,590,349.16 and 841,547.79 is: 1,161,772.59
Step by Step Solution
- Step 1: Write the proportion equation
1,151,993.80 : 1,590,349.16 = 841,547.79 : x - Step 2: Convert to fraction form
1,151,993.80/1,590,349.16 = 841,547.79/x - Step 3: Cross multiply
1,151,993.80x = 1,590,349.16 × 841,547.79 - Step 4: Simplify right side
1,151,993.80x = 1,338,354,820,926.36 - Step 5: Solve for x
x = 1,338,354,820,926.36/1,151,993.80 - Step 6: Final answer
x = 1,161,772.59
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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.