Finding the Fourth Proportional to 1,186,390.74, 1,779,669.11 and 476,418.75
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Solution
The fourth proportional to 1,186,390.74, 1,779,669.11 and 476,418.75 is: 714,661.45
Step by Step Solution
- Step 1: Write the proportion equation
1,186,390.74 : 1,779,669.11 = 476,418.75 : x - Step 2: Convert to fraction form
1,186,390.74/1,779,669.11 = 476,418.75/x - Step 3: Cross multiply
1,186,390.74x = 1,779,669.11 × 476,418.75 - Step 4: Simplify right side
1,186,390.74x = 847,867,730,417.72 - Step 5: Solve for x
x = 847,867,730,417.72/1,186,390.74 - Step 6: Final answer
x = 714,661.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.