Finding the Fourth Proportional to 1,272,967.12, 1,909,308.12 and 326,360.08
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Solution
The fourth proportional to 1,272,967.12, 1,909,308.12 and 326,360.08 is: 489,503.57
Step by Step Solution
- Step 1: Write the proportion equation
1,272,967.12 : 1,909,308.12 = 326,360.08 : x - Step 2: Convert to fraction form
1,272,967.12/1,909,308.12 = 326,360.08/x - Step 3: Cross multiply
1,272,967.12x = 1,909,308.12 × 326,360.08 - Step 4: Simplify right side
1,272,967.12x = 623,121,950,787.85 - Step 5: Solve for x
x = 623,121,950,787.85/1,272,967.12 - Step 6: Final answer
x = 489,503.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.