Finding the Fourth Proportional to 1,403,809.91, 1,937,257.64 and 759,230.10
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Solution
The fourth proportional to 1,403,809.91, 1,937,257.64 and 759,230.10 is: 1,047,737.52
Step by Step Solution
- Step 1: Write the proportion equation
1,403,809.91 : 1,937,257.64 = 759,230.10 : x - Step 2: Convert to fraction form
1,403,809.91/1,937,257.64 = 759,230.10/x - Step 3: Cross multiply
1,403,809.91x = 1,937,257.64 × 759,230.10 - Step 4: Simplify right side
1,403,809.91x = 1,470,824,307,946.81 - Step 5: Solve for x
x = 1,470,824,307,946.81/1,403,809.91 - Step 6: Final answer
x = 1,047,737.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.