Finding the Fourth Proportional to 1,370,908.14, 1,891,959.76 and 759,117.84
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Solution
The fourth proportional to 1,370,908.14, 1,891,959.76 and 759,117.84 is: 1,047,641.61
Step by Step Solution
- Step 1: Write the proportion equation
1,370,908.14 : 1,891,959.76 = 759,117.84 : x - Step 2: Convert to fraction form
1,370,908.14/1,891,959.76 = 759,117.84/x - Step 3: Cross multiply
1,370,908.14x = 1,891,959.76 × 759,117.84 - Step 4: Simplify right side
1,370,908.14x = 1,436,220,406,378.12 - Step 5: Solve for x
x = 1,436,220,406,378.12/1,370,908.14 - Step 6: Final answer
x = 1,047,641.61
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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.