Finding the Fourth Proportional to 1,258,672.05, 1,888,008.08 and 417,223.80
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Solution
The fourth proportional to 1,258,672.05, 1,888,008.08 and 417,223.80 is: 625,835.70
Step by Step Solution
- Step 1: Write the proportion equation
1,258,672.05 : 1,888,008.08 = 417,223.80 : x - Step 2: Convert to fraction form
1,258,672.05/1,888,008.08 = 417,223.80/x - Step 3: Cross multiply
1,258,672.05x = 1,888,008.08 × 417,223.80 - Step 4: Simplify right side
1,258,672.05x = 787,721,903,482.19 - Step 5: Solve for x
x = 787,721,903,482.19/1,258,672.05 - Step 6: Final answer
x = 625,835.70
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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.