Finding the Fourth Proportional to 1,031,413.23, 1,423,374.81 and 578,737.71
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Solution
The fourth proportional to 1,031,413.23, 1,423,374.81 and 578,737.71 is: 798,671.81
Step by Step Solution
- Step 1: Write the proportion equation
1,031,413.23 : 1,423,374.81 = 578,737.71 : x - Step 2: Convert to fraction form
1,031,413.23/1,423,374.81 = 578,737.71/x - Step 3: Cross multiply
1,031,413.23x = 1,423,374.81 × 578,737.71 - Step 4: Simplify right side
1,031,413.23x = 823,760,675,117.40 - Step 5: Solve for x
x = 823,760,675,117.40/1,031,413.23 - Step 6: Final answer
x = 798,671.81
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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.