Finding the Fourth Proportional to 1,115,701.08, 1,539,673.02 and 606,413.40
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Solution
The fourth proportional to 1,115,701.08, 1,539,673.02 and 606,413.40 is: 836,853.50
Step by Step Solution
- Step 1: Write the proportion equation
1,115,701.08 : 1,539,673.02 = 606,413.40 : x - Step 2: Convert to fraction form
1,115,701.08/1,539,673.02 = 606,413.40/x - Step 3: Cross multiply
1,115,701.08x = 1,539,673.02 × 606,413.40 - Step 4: Simplify right side
1,115,701.08x = 933,678,350,946.47 - Step 5: Solve for x
x = 933,678,350,946.47/1,115,701.08 - Step 6: Final answer
x = 836,853.50
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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.