Finding the Fourth Proportional to 1,423,871.76, 2,135,752.36 and 524,924.72
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Solution
The fourth proportional to 1,423,871.76, 2,135,752.36 and 524,924.72 is: 787,366.70
Step by Step Solution
- Step 1: Write the proportion equation
1,423,871.76 : 2,135,752.36 = 524,924.72 : x - Step 2: Convert to fraction form
1,423,871.76/2,135,752.36 = 524,924.72/x - Step 3: Cross multiply
1,423,871.76x = 2,135,752.36 × 524,924.72 - Step 4: Simplify right side
1,423,871.76x = 1,121,109,209,562.34 - Step 5: Solve for x
x = 1,121,109,209,562.34/1,423,871.76 - Step 6: Final answer
x = 787,366.70
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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.