Finding the Fourth Proportional to 1,112,479.61, 1,664,149.19 and 888,277.95
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Solution
The fourth proportional to 1,112,479.61, 1,664,149.19 and 888,277.95 is: 1,328,767.75
Step by Step Solution
- Step 1: Write the proportion equation
1,112,479.61 : 1,664,149.19 = 888,277.95 : x - Step 2: Convert to fraction form
1,112,479.61/1,664,149.19 = 888,277.95/x - Step 3: Cross multiply
1,112,479.61x = 1,664,149.19 × 888,277.95 - Step 4: Simplify right side
1,112,479.61x = 1,478,227,026,545.97 - Step 5: Solve for x
x = 1,478,227,026,545.97/1,112,479.61 - Step 6: Final answer
x = 1,328,767.75
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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.