Finding the Fourth Proportional to 1,111,708.84, 1,533,594.70 and 703,122.55
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Solution
The fourth proportional to 1,111,708.84, 1,533,594.70 and 703,122.55 is: 969,952.72
Step by Step Solution
- Step 1: Write the proportion equation
1,111,708.84 : 1,533,594.70 = 703,122.55 : x - Step 2: Convert to fraction form
1,111,708.84/1,533,594.70 = 703,122.55/x - Step 3: Cross multiply
1,111,708.84x = 1,533,594.70 × 703,122.55 - Step 4: Simplify right side
1,111,708.84x = 1,078,305,016,130.49 - Step 5: Solve for x
x = 1,078,305,016,130.49/1,111,708.84 - Step 6: Final answer
x = 969,952.72
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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.