Finding the Fourth Proportional to 1,134,284.05, 1,565,422.30 and 847,305.91
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Solution
The fourth proportional to 1,134,284.05, 1,565,422.30 and 847,305.91 is: 1,169,364.56
Step by Step Solution
- Step 1: Write the proportion equation
1,134,284.05 : 1,565,422.30 = 847,305.91 : x - Step 2: Convert to fraction form
1,134,284.05/1,565,422.30 = 847,305.91/x - Step 3: Cross multiply
1,134,284.05x = 1,565,422.30 × 847,305.91 - Step 4: Simplify right side
1,134,284.05x = 1,326,391,566,435.79 - Step 5: Solve for x
x = 1,326,391,566,435.79/1,134,284.05 - Step 6: Final answer
x = 1,169,364.56
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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.