Finding the Fourth Proportional to 1,110,798.18, 1,532,916.36 and 620,746.16
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Solution
The fourth proportional to 1,110,798.18, 1,532,916.36 and 620,746.16 is: 856,638.00
Step by Step Solution
- Step 1: Write the proportion equation
1,110,798.18 : 1,532,916.36 = 620,746.16 : x - Step 2: Convert to fraction form
1,110,798.18/1,532,916.36 = 620,746.16/x - Step 3: Cross multiply
1,110,798.18x = 1,532,916.36 × 620,746.16 - Step 4: Simplify right side
1,110,798.18x = 951,551,936,406.60 - Step 5: Solve for x
x = 951,551,936,406.60/1,110,798.18 - Step 6: Final answer
x = 856,638.00
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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.