Finding the Fourth Proportional to 1,134,283.80, 1,565,421.95 and 847,305.66
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Solution
The fourth proportional to 1,134,283.80, 1,565,421.95 and 847,305.66 is: 1,169,364.21
Step by Step Solution
- Step 1: Write the proportion equation
1,134,283.80 : 1,565,421.95 = 847,305.66 : x - Step 2: Convert to fraction form
1,134,283.80/1,565,421.95 = 847,305.66/x - Step 3: Cross multiply
1,134,283.80x = 1,565,421.95 × 847,305.66 - Step 4: Simplify right side
1,134,283.80x = 1,326,390,880,641.50 - Step 5: Solve for x
x = 1,326,390,880,641.50/1,134,283.80 - Step 6: Final answer
x = 1,169,364.21
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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.