Finding the Fourth Proportional to 1,398,170.63, 2,099,219.63 and 715,545.74
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Solution
The fourth proportional to 1,398,170.63, 2,099,219.63 and 715,545.74 is: 1,074,323.56
Step by Step Solution
- Step 1: Write the proportion equation
1,398,170.63 : 2,099,219.63 = 715,545.74 : x - Step 2: Convert to fraction form
1,398,170.63/2,099,219.63 = 715,545.74/x - Step 3: Cross multiply
1,398,170.63x = 2,099,219.63 × 715,545.74 - Step 4: Simplify right side
1,398,170.63x = 1,502,087,653,499.80 - Step 5: Solve for x
x = 1,502,087,653,499.80/1,398,170.63 - Step 6: Final answer
x = 1,074,323.56
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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.