Finding the Fourth Proportional to 1,257,431.84, 1,885,089.79 and 546,924.75
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Solution
The fourth proportional to 1,257,431.84, 1,885,089.79 and 546,924.75 is: 819,926.96
Step by Step Solution
- Step 1: Write the proportion equation
1,257,431.84 : 1,885,089.79 = 546,924.75 : x - Step 2: Convert to fraction form
1,257,431.84/1,885,089.79 = 546,924.75/x - Step 3: Cross multiply
1,257,431.84x = 1,885,089.79 × 546,924.75 - Step 4: Simplify right side
1,257,431.84x = 1,031,002,262,123.30 - Step 5: Solve for x
x = 1,031,002,262,123.30/1,257,431.84 - Step 6: Final answer
x = 819,926.96
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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.