Finding the Fourth Proportional to 1,111,689.24, 1,533,565.35 and 703,104.18
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Solution
The fourth proportional to 1,111,689.24, 1,533,565.35 and 703,104.18 is: 969,925.92
Step by Step Solution
- Step 1: Write the proportion equation
1,111,689.24 : 1,533,565.35 = 703,104.18 : x - Step 2: Convert to fraction form
1,111,689.24/1,533,565.35 = 703,104.18/x - Step 3: Cross multiply
1,111,689.24x = 1,533,565.35 × 703,104.18 - Step 4: Simplify right side
1,111,689.24x = 1,078,256,207,888.16 - Step 5: Solve for x
x = 1,078,256,207,888.16/1,111,689.24 - Step 6: Final answer
x = 969,925.92
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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.