Finding the Fourth Proportional to 1,197,963.81, 1,653,177.51 and 654,097.95
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Solution
The fourth proportional to 1,197,963.81, 1,653,177.51 and 654,097.95 is: 902,648.32
Step by Step Solution
- Step 1: Write the proportion equation
1,197,963.81 : 1,653,177.51 = 654,097.95 : x - Step 2: Convert to fraction form
1,197,963.81/1,653,177.51 = 654,097.95/x - Step 3: Cross multiply
1,197,963.81x = 1,653,177.51 × 654,097.95 - Step 4: Simplify right side
1,197,963.81x = 1,081,340,020,277.10 - Step 5: Solve for x
x = 1,081,340,020,277.10/1,197,963.81 - Step 6: Final answer
x = 902,648.32
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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.