Finding the Fourth Proportional to 1,027,038.08, 1,416,834.99 and 664,579.08
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Solution
The fourth proportional to 1,027,038.08, 1,416,834.99 and 664,579.08 is: 916,810.11
Step by Step Solution
- Step 1: Write the proportion equation
1,027,038.08 : 1,416,834.99 = 664,579.08 : x - Step 2: Convert to fraction form
1,027,038.08/1,416,834.99 = 664,579.08/x - Step 3: Cross multiply
1,027,038.08x = 1,416,834.99 × 664,579.08 - Step 4: Simplify right side
1,027,038.08x = 941,598,894,166.01 - Step 5: Solve for x
x = 941,598,894,166.01/1,027,038.08 - Step 6: Final answer
x = 916,810.11
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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.