Finding the Fourth Proportional to 1,186,395.08, 1,779,821.58 and 387,461.84
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Solution
The fourth proportional to 1,186,395.08, 1,779,821.58 and 387,461.84 is: 581,267.54
Step by Step Solution
- Step 1: Write the proportion equation
1,186,395.08 : 1,779,821.58 = 387,461.84 : x - Step 2: Convert to fraction form
1,186,395.08/1,779,821.58 = 387,461.84/x - Step 3: Cross multiply
1,186,395.08x = 1,779,821.58 × 387,461.84 - Step 4: Simplify right side
1,186,395.08x = 689,612,944,258.51 - Step 5: Solve for x
x = 689,612,944,258.51/1,186,395.08 - Step 6: Final answer
x = 581,267.54
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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.