Finding the Fourth Proportional to 1,127,031.84, 1,555,303.80 and 617,723.28
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Solution
The fourth proportional to 1,127,031.84, 1,555,303.80 and 617,723.28 is: 852,458.05
Step by Step Solution
- Step 1: Write the proportion equation
1,127,031.84 : 1,555,303.80 = 617,723.28 : x - Step 2: Convert to fraction form
1,127,031.84/1,555,303.80 = 617,723.28/x - Step 3: Cross multiply
1,127,031.84x = 1,555,303.80 × 617,723.28 - Step 4: Simplify right side
1,127,031.84x = 960,747,364,732.46 - Step 5: Solve for x
x = 960,747,364,732.46/1,127,031.84 - Step 6: Final answer
x = 852,458.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.