Finding the Fourth Proportional to 1,020,149.96, 1,528,451.57 and 715,898.84
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Solution
The fourth proportional to 1,020,149.96, 1,528,451.57 and 715,898.84 is: 1,072,603.78
Step by Step Solution
- Step 1: Write the proportion equation
1,020,149.96 : 1,528,451.57 = 715,898.84 : x - Step 2: Convert to fraction form
1,020,149.96/1,528,451.57 = 715,898.84/x - Step 3: Cross multiply
1,020,149.96x = 1,528,451.57 × 715,898.84 - Step 4: Simplify right side
1,020,149.96x = 1,094,216,700,106.67 - Step 5: Solve for x
x = 1,094,216,700,106.67/1,020,149.96 - Step 6: Final answer
x = 1,072,603.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.