Finding the Fourth Proportional to 1,238,246.24, 1,857,369.78 and 817,423.70
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Solution
The fourth proportional to 1,238,246.24, 1,857,369.78 and 817,423.70 is: 1,226,135.83
Step by Step Solution
- Step 1: Write the proportion equation
1,238,246.24 : 1,857,369.78 = 817,423.70 : x - Step 2: Convert to fraction form
1,238,246.24/1,857,369.78 = 817,423.70/x - Step 3: Cross multiply
1,238,246.24x = 1,857,369.78 × 817,423.70 - Step 4: Simplify right side
1,238,246.24x = 1,518,258,077,835.79 - Step 5: Solve for x
x = 1,518,258,077,835.79/1,238,246.24 - Step 6: Final answer
x = 1,226,135.83
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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.