Finding the Fourth Proportional to 1,218,389.68, 1,826,225.16 and 508,181.68
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Solution
The fourth proportional to 1,218,389.68, 1,826,225.16 and 508,181.68 is: 761,705.54
Step by Step Solution
- Step 1: Write the proportion equation
1,218,389.68 : 1,826,225.16 = 508,181.68 : x - Step 2: Convert to fraction form
1,218,389.68/1,826,225.16 = 508,181.68/x - Step 3: Cross multiply
1,218,389.68x = 1,826,225.16 × 508,181.68 - Step 4: Simplify right side
1,218,389.68x = 928,054,169,867.07 - Step 5: Solve for x
x = 928,054,169,867.07/1,218,389.68 - Step 6: Final answer
x = 761,705.54
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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.