Finding the Fourth Proportional to 1,246,389.18, 1,869,835.29 and 393,594.06
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Solution
The fourth proportional to 1,246,389.18, 1,869,835.29 and 393,594.06 is: 590,470.52
Step by Step Solution
- Step 1: Write the proportion equation
1,246,389.18 : 1,869,835.29 = 393,594.06 : x - Step 2: Convert to fraction form
1,246,389.18/1,869,835.29 = 393,594.06/x - Step 3: Cross multiply
1,246,389.18x = 1,869,835.29 × 393,594.06 - Step 4: Simplify right side
1,246,389.18x = 735,956,063,322.38 - Step 5: Solve for x
x = 735,956,063,322.38/1,246,389.18 - Step 6: Final answer
x = 590,470.52
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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.