Finding the Fourth Proportional to 1,095,765.76, 1,513,118.64 and 688,573.09
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Solution
The fourth proportional to 1,095,765.76, 1,513,118.64 and 688,573.09 is: 950,835.31
Step by Step Solution
- Step 1: Write the proportion equation
1,095,765.76 : 1,513,118.64 = 688,573.09 : x - Step 2: Convert to fraction form
1,095,765.76/1,513,118.64 = 688,573.09/x - Step 3: Cross multiply
1,095,765.76x = 1,513,118.64 × 688,573.09 - Step 4: Simplify right side
1,095,765.76x = 1,041,892,777,481.40 - Step 5: Solve for x
x = 1,041,892,777,481.40/1,095,765.76 - Step 6: Final answer
x = 950,835.31
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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.