Finding the Fourth Proportional to 1,243,468.04, 1,865,201.95 and 344,909.82
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Solution
The fourth proportional to 1,243,468.04, 1,865,201.95 and 344,909.82 is: 517,364.70
Step by Step Solution
- Step 1: Write the proportion equation
1,243,468.04 : 1,865,201.95 = 344,909.82 : x - Step 2: Convert to fraction form
1,243,468.04/1,865,201.95 = 344,909.82/x - Step 3: Cross multiply
1,243,468.04x = 1,865,201.95 × 344,909.82 - Step 4: Simplify right side
1,243,468.04x = 643,326,469,562.81 - Step 5: Solve for x
x = 643,326,469,562.81/1,243,468.04 - Step 6: Final answer
x = 517,364.70
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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.