Finding the Fourth Proportional to 1,139,850.84, 1,572,988.43 and 623,595.38
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Solution
The fourth proportional to 1,139,850.84, 1,572,988.43 and 623,595.38 is: 860,558.49
Step by Step Solution
- Step 1: Write the proportion equation
1,139,850.84 : 1,572,988.43 = 623,595.38 : x - Step 2: Convert to fraction form
1,139,850.84/1,572,988.43 = 623,595.38/x - Step 3: Cross multiply
1,139,850.84x = 1,572,988.43 × 623,595.38 - Step 4: Simplify right side
1,139,850.84x = 980,908,323,232.91 - Step 5: Solve for x
x = 980,908,323,232.91/1,139,850.84 - Step 6: Final answer
x = 860,558.49
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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.