Finding the Fourth Proportional to 1,358,789.12, 1,875,135.06 and 746,981.30
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Solution
The fourth proportional to 1,358,789.12, 1,875,135.06 and 746,981.30 is: 1,030,837.53
Step by Step Solution
- Step 1: Write the proportion equation
1,358,789.12 : 1,875,135.06 = 746,981.30 : x - Step 2: Convert to fraction form
1,358,789.12/1,875,135.06 = 746,981.30/x - Step 3: Cross multiply
1,358,789.12x = 1,875,135.06 × 746,981.30 - Step 4: Simplify right side
1,358,789.12x = 1,400,690,824,794.38 - Step 5: Solve for x
x = 1,400,690,824,794.38/1,358,789.12 - Step 6: Final answer
x = 1,030,837.53
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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.