Finding the Fourth Proportional to 1,122,595.13, 1,683,124.08 and 402,920.85
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Solution
The fourth proportional to 1,122,595.13, 1,683,124.08 and 402,920.85 is: 604,105.41
Step by Step Solution
- Step 1: Write the proportion equation
1,122,595.13 : 1,683,124.08 = 402,920.85 : x - Step 2: Convert to fraction form
1,122,595.13/1,683,124.08 = 402,920.85/x - Step 3: Cross multiply
1,122,595.13x = 1,683,124.08 × 402,920.85 - Step 4: Simplify right side
1,122,595.13x = 678,165,784,969.07 - Step 5: Solve for x
x = 678,165,784,969.07/1,122,595.13 - Step 6: Final answer
x = 604,105.41
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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.