Finding the Fourth Proportional to 1,134,326.88, 1,565,481.42 and 847,348.74
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Solution
The fourth proportional to 1,134,326.88, 1,565,481.42 and 847,348.74 is: 1,169,423.68
Step by Step Solution
- Step 1: Write the proportion equation
1,134,326.88 : 1,565,481.42 = 847,348.74 : x - Step 2: Convert to fraction form
1,134,326.88/1,565,481.42 = 847,348.74/x - Step 3: Cross multiply
1,134,326.88x = 1,565,481.42 × 847,348.74 - Step 4: Simplify right side
1,134,326.88x = 1,326,508,708,730.41 - Step 5: Solve for x
x = 1,326,508,708,730.41/1,134,326.88 - Step 6: Final answer
x = 1,169,423.68
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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.