Finding the Fourth Proportional to 1,229,658.30, 1,844,746.65 and 519,320.70
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Solution
The fourth proportional to 1,229,658.30, 1,844,746.65 and 519,320.70 is: 779,090.52
Step by Step Solution
- Step 1: Write the proportion equation
1,229,658.30 : 1,844,746.65 = 519,320.70 : x - Step 2: Convert to fraction form
1,229,658.30/1,844,746.65 = 519,320.70/x - Step 3: Cross multiply
1,229,658.30x = 1,844,746.65 × 519,320.70 - Step 4: Simplify right side
1,229,658.30x = 958,015,121,600.66 - Step 5: Solve for x
x = 958,015,121,600.66/1,229,658.30 - Step 6: Final answer
x = 779,090.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.