Finding the Fourth Proportional to 1,299,402.95, 1,948,955.54 and 339,951.18
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Solution
The fourth proportional to 1,299,402.95, 1,948,955.54 and 339,951.18 is: 509,887.82
Step by Step Solution
- Step 1: Write the proportion equation
1,299,402.95 : 1,948,955.54 = 339,951.18 : x - Step 2: Convert to fraction form
1,299,402.95/1,948,955.54 = 339,951.18/x - Step 3: Cross multiply
1,299,402.95x = 1,948,955.54 × 339,951.18 - Step 4: Simplify right side
1,299,402.95x = 662,549,736,440.42 - Step 5: Solve for x
x = 662,549,736,440.42/1,299,402.95 - Step 6: Final answer
x = 509,887.82
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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.