Finding the Fourth Proportional to 1,133,702.93, 1,564,554.49 and 643,718.34
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Solution
The fourth proportional to 1,133,702.93, 1,564,554.49 and 643,718.34 is: 888,356.54
Step by Step Solution
- Step 1: Write the proportion equation
1,133,702.93 : 1,564,554.49 = 643,718.34 : x - Step 2: Convert to fraction form
1,133,702.93/1,564,554.49 = 643,718.34/x - Step 3: Cross multiply
1,133,702.93x = 1,564,554.49 × 643,718.34 - Step 4: Simplify right side
1,133,702.93x = 1,007,132,417,533.05 - Step 5: Solve for x
x = 1,007,132,417,533.05/1,133,702.93 - Step 6: Final answer
x = 888,356.54
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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.