Finding the Fourth Proportional to 1,113,518.59, 1,670,277.21 and 403,545.49
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Solution
The fourth proportional to 1,113,518.59, 1,670,277.21 and 403,545.49 is: 605,317.99
Step by Step Solution
- Step 1: Write the proportion equation
1,113,518.59 : 1,670,277.21 = 403,545.49 : x - Step 2: Convert to fraction form
1,113,518.59/1,670,277.21 = 403,545.49/x - Step 3: Cross multiply
1,113,518.59x = 1,670,277.21 × 403,545.49 - Step 4: Simplify right side
1,113,518.59x = 674,032,835,145.28 - Step 5: Solve for x
x = 674,032,835,145.28/1,113,518.59 - Step 6: Final answer
x = 605,317.99
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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.