Finding the Fourth Proportional to 1,027,437.51, 1,534,856.18 and 740,680.81
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Solution
The fourth proportional to 1,027,437.51, 1,534,856.18 and 740,680.81 is: 1,106,479.47
Step by Step Solution
- Step 1: Write the proportion equation
1,027,437.51 : 1,534,856.18 = 740,680.81 : x - Step 2: Convert to fraction form
1,027,437.51/1,534,856.18 = 740,680.81/x - Step 3: Cross multiply
1,027,437.51x = 1,534,856.18 × 740,680.81 - Step 4: Simplify right side
1,027,437.51x = 1,136,838,511,095.36 - Step 5: Solve for x
x = 1,136,838,511,095.36/1,027,437.51 - Step 6: Final answer
x = 1,106,479.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.