Finding the Fourth Proportional to 1,106,721.10, 1,660,081.65 and 907,266.70
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Solution
The fourth proportional to 1,106,721.10, 1,660,081.65 and 907,266.70 is: 1,360,900.05
Step by Step Solution
- Step 1: Write the proportion equation
1,106,721.10 : 1,660,081.65 = 907,266.70 : x - Step 2: Convert to fraction form
1,106,721.10/1,660,081.65 = 907,266.70/x - Step 3: Cross multiply
1,106,721.10x = 1,660,081.65 × 907,266.70 - Step 4: Simplify right side
1,106,721.10x = 1,506,136,800,326.06 - Step 5: Solve for x
x = 1,506,136,800,326.06/1,106,721.10 - Step 6: Final answer
x = 1,360,900.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.