Finding the Fourth Proportional to 1,125,395.52, 1,688,085.99 and 283,948.08
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Solution
The fourth proportional to 1,125,395.52, 1,688,085.99 and 283,948.08 is: 425,920.28
Step by Step Solution
- Step 1: Write the proportion equation
1,125,395.52 : 1,688,085.99 = 283,948.08 : x - Step 2: Convert to fraction form
1,125,395.52/1,688,085.99 = 283,948.08/x - Step 3: Cross multiply
1,125,395.52x = 1,688,085.99 × 283,948.08 - Step 4: Simplify right side
1,125,395.52x = 479,328,775,735.40 - Step 5: Solve for x
x = 479,328,775,735.40/1,125,395.52 - Step 6: Final answer
x = 425,920.28
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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.