Finding the Fourth Proportional to 1,353,345.18, 1,867,544.94 and 772,545.23
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Solution
The fourth proportional to 1,353,345.18, 1,867,544.94 and 772,545.23 is: 1,066,071.65
Step by Step Solution
- Step 1: Write the proportion equation
1,353,345.18 : 1,867,544.94 = 772,545.23 : x - Step 2: Convert to fraction form
1,353,345.18/1,867,544.94 = 772,545.23/x - Step 3: Cross multiply
1,353,345.18x = 1,867,544.94 × 772,545.23 - Step 4: Simplify right side
1,353,345.18x = 1,442,762,925,869.91 - Step 5: Solve for x
x = 1,442,762,925,869.91/1,353,345.18 - Step 6: Final answer
x = 1,066,071.65
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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.