Finding the Fourth Proportional to 1,312,306.49, 1,810,982.98 and 708,694.49
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Solution
The fourth proportional to 1,312,306.49, 1,810,982.98 and 708,694.49 is: 977,998.41
Step by Step Solution
- Step 1: Write the proportion equation
1,312,306.49 : 1,810,982.98 = 708,694.49 : x - Step 2: Convert to fraction form
1,312,306.49/1,810,982.98 = 708,694.49/x - Step 3: Cross multiply
1,312,306.49x = 1,810,982.98 × 708,694.49 - Step 4: Simplify right side
1,312,306.49x = 1,283,433,650,354.87 - Step 5: Solve for x
x = 1,283,433,650,354.87/1,312,306.49 - Step 6: Final answer
x = 977,998.41
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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.