Finding the Fourth Proportional to 1,135,210.91, 1,564,963.29 and 893,072.95
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Solution
The fourth proportional to 1,135,210.91, 1,564,963.29 and 893,072.95 is: 1,231,160.11
Step by Step Solution
- Step 1: Write the proportion equation
1,135,210.91 : 1,564,963.29 = 893,072.95 : x - Step 2: Convert to fraction form
1,135,210.91/1,564,963.29 = 893,072.95/x - Step 3: Cross multiply
1,135,210.91x = 1,564,963.29 × 893,072.95 - Step 4: Simplify right side
1,135,210.91x = 1,397,626,378,129.60 - Step 5: Solve for x
x = 1,397,626,378,129.60/1,135,210.91 - Step 6: Final answer
x = 1,231,160.11
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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.