Finding the Fourth Proportional to 1,370,465.55, 1,891,219.41 and 758,605.14
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Solution
The fourth proportional to 1,370,465.55, 1,891,219.41 and 758,605.14 is: 1,046,862.33
Step by Step Solution
- Step 1: Write the proportion equation
1,370,465.55 : 1,891,219.41 = 758,605.14 : x - Step 2: Convert to fraction form
1,370,465.55/1,891,219.41 = 758,605.14/x - Step 3: Cross multiply
1,370,465.55x = 1,891,219.41 × 758,605.14 - Step 4: Simplify right side
1,370,465.55x = 1,434,688,765,293.77 - Step 5: Solve for x
x = 1,434,688,765,293.77/1,370,465.55 - Step 6: Final answer
x = 1,046,862.33
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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.