Finding the Fourth Proportional to 1,020,439.61, 1,408,217.23 and 584,847.53
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Solution
The fourth proportional to 1,020,439.61, 1,408,217.23 and 584,847.53 is: 807,095.65
Step by Step Solution
- Step 1: Write the proportion equation
1,020,439.61 : 1,408,217.23 = 584,847.53 : x - Step 2: Convert to fraction form
1,020,439.61/1,408,217.23 = 584,847.53/x - Step 3: Cross multiply
1,020,439.61x = 1,408,217.23 × 584,847.53 - Step 4: Simplify right side
1,020,439.61x = 823,592,367,639.73 - Step 5: Solve for x
x = 823,592,367,639.73/1,020,439.61 - Step 6: Final answer
x = 807,095.65
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1.5x scale
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.