Finding the Fourth Proportional to 1,122,559.96, 1,683,854.36 and 374,605.96
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Solution
The fourth proportional to 1,122,559.96, 1,683,854.36 and 374,605.96 is: 561,913.75
Step by Step Solution
- Step 1: Write the proportion equation
1,122,559.96 : 1,683,854.36 = 374,605.96 : x - Step 2: Convert to fraction form
1,122,559.96/1,683,854.36 = 374,605.96/x - Step 3: Cross multiply
1,122,559.96x = 1,683,854.36 × 374,605.96 - Step 4: Simplify right side
1,122,559.96x = 630,781,879,027.99 - Step 5: Solve for x
x = 630,781,879,027.99/1,122,559.96 - Step 6: Final answer
x = 561,913.75
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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.