Finding the Fourth Proportional to 1,122,590.62, 1,683,117.34 and 402,916.35
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Solution
The fourth proportional to 1,122,590.62, 1,683,117.34 and 402,916.35 is: 604,098.67
Step by Step Solution
- Step 1: Write the proportion equation
1,122,590.62 : 1,683,117.34 = 402,916.35 : x - Step 2: Convert to fraction form
1,122,590.62/1,683,117.34 = 402,916.35/x - Step 3: Cross multiply
1,122,590.62x = 1,683,117.34 × 402,916.35 - Step 4: Simplify right side
1,122,590.62x = 678,155,494,247.22 - Step 5: Solve for x
x = 678,155,494,247.22/1,122,590.62 - Step 6: Final answer
x = 604,098.67
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1.5x scale
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.