Finding the Fourth Proportional to 1,140,639.93, 1,574,248.91 and 657,110.97
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Solution
The fourth proportional to 1,140,639.93, 1,574,248.91 and 657,110.97 is: 906,908.66
Step by Step Solution
- Step 1: Write the proportion equation
1,140,639.93 : 1,574,248.91 = 657,110.97 : x - Step 2: Convert to fraction form
1,140,639.93/1,574,248.91 = 657,110.97/x - Step 3: Cross multiply
1,140,639.93x = 1,574,248.91 × 657,110.97 - Step 4: Simplify right side
1,140,639.93x = 1,034,456,224,985.99 - Step 5: Solve for x
x = 1,034,456,224,985.99/1,140,639.93 - Step 6: Final answer
x = 906,908.66
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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.