Finding the Fourth Proportional to 1,402,030.36, 1,934,745.95 and 790,310.08
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Solution
The fourth proportional to 1,402,030.36, 1,934,745.95 and 790,310.08 is: 1,090,596.37
Step by Step Solution
- Step 1: Write the proportion equation
1,402,030.36 : 1,934,745.95 = 790,310.08 : x - Step 2: Convert to fraction form
1,402,030.36/1,934,745.95 = 790,310.08/x - Step 3: Cross multiply
1,402,030.36x = 1,934,745.95 × 790,310.08 - Step 4: Simplify right side
1,402,030.36x = 1,529,049,212,898.90 - Step 5: Solve for x
x = 1,529,049,212,898.90/1,402,030.36 - Step 6: Final answer
x = 1,090,596.37
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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.