Finding the Fourth Proportional to 1,130,842.35, 1,560,574.49 and 614,596.28
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Solution
The fourth proportional to 1,130,842.35, 1,560,574.49 and 614,596.28 is: 848,149.40
Step by Step Solution
- Step 1: Write the proportion equation
1,130,842.35 : 1,560,574.49 = 614,596.28 : x - Step 2: Convert to fraction form
1,130,842.35/1,560,574.49 = 614,596.28/x - Step 3: Cross multiply
1,130,842.35x = 1,560,574.49 × 614,596.28 - Step 4: Simplify right side
1,130,842.35x = 959,123,265,341.04 - Step 5: Solve for x
x = 959,123,265,341.04/1,130,842.35 - Step 6: Final answer
x = 848,149.40
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1.5x scale
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.