Finding the Fourth Proportional to 1,512,703.56, 2,087,574.66 and 833,683.80
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Solution
The fourth proportional to 1,512,703.56, 2,087,574.66 and 833,683.80 is: 1,150,507.75
Step by Step Solution
- Step 1: Write the proportion equation
1,512,703.56 : 2,087,574.66 = 833,683.80 : x - Step 2: Convert to fraction form
1,512,703.56/2,087,574.66 = 833,683.80/x - Step 3: Cross multiply
1,512,703.56x = 2,087,574.66 × 833,683.80 - Step 4: Simplify right side
1,512,703.56x = 1,740,377,175,332.51 - Step 5: Solve for x
x = 1,740,377,175,332.51/1,512,703.56 - Step 6: Final answer
x = 1,150,507.75
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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.