Finding the Fourth Proportional to 1,139,442.84, 1,572,367.08 and 623,094.24
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Solution
The fourth proportional to 1,139,442.84, 1,572,367.08 and 623,094.24 is: 859,835.03
Step by Step Solution
- Step 1: Write the proportion equation
1,139,442.84 : 1,572,367.08 = 623,094.24 : x - Step 2: Convert to fraction form
1,139,442.84/1,572,367.08 = 623,094.24/x - Step 3: Cross multiply
1,139,442.84x = 1,572,367.08 × 623,094.24 - Step 4: Simplify right side
1,139,442.84x = 979,732,870,713.62 - Step 5: Solve for x
x = 979,732,870,713.62/1,139,442.84 - Step 6: Final answer
x = 859,835.03
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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.