Finding the Fourth Proportional to 1,135,176.86, 1,564,916.37 and 893,038.88
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Solution
The fourth proportional to 1,135,176.86, 1,564,916.37 and 893,038.88 is: 1,231,113.15
Step by Step Solution
- Step 1: Write the proportion equation
1,135,176.86 : 1,564,916.37 = 893,038.88 : x - Step 2: Convert to fraction form
1,135,176.86/1,564,916.37 = 893,038.88/x - Step 3: Cross multiply
1,135,176.86x = 1,564,916.37 × 893,038.88 - Step 4: Simplify right side
1,135,176.86x = 1,397,531,162,358.47 - Step 5: Solve for x
x = 1,397,531,162,358.47/1,135,176.86 - Step 6: Final answer
x = 1,231,113.15
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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.