Finding the Fourth Proportional to 1,030,761.84, 1,423,089.36 and 687,082.08
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Solution
The fourth proportional to 1,030,761.84, 1,423,089.36 and 687,082.08 is: 948,598.56
Step by Step Solution
- Step 1: Write the proportion equation
1,030,761.84 : 1,423,089.36 = 687,082.08 : x - Step 2: Convert to fraction form
1,030,761.84/1,423,089.36 = 687,082.08/x - Step 3: Cross multiply
1,030,761.84x = 1,423,089.36 × 687,082.08 - Step 4: Simplify right side
1,030,761.84x = 977,779,197,494.67 - Step 5: Solve for x
x = 977,779,197,494.67/1,030,761.84 - Step 6: Final answer
x = 948,598.56
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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.