Finding the Fourth Proportional to 1,135,688.64, 1,567,247.31 and 652,285.10
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Solution
The fourth proportional to 1,135,688.64, 1,567,247.31 and 652,285.10 is: 900,151.70
Step by Step Solution
- Step 1: Write the proportion equation
1,135,688.64 : 1,567,247.31 = 652,285.10 : x - Step 2: Convert to fraction form
1,135,688.64/1,567,247.31 = 652,285.10/x - Step 3: Cross multiply
1,135,688.64x = 1,567,247.31 × 652,285.10 - Step 4: Simplify right side
1,135,688.64x = 1,022,292,060,491.84 - Step 5: Solve for x
x = 1,022,292,060,491.84/1,135,688.64 - Step 6: Final answer
x = 900,151.70
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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.