Finding the Fourth Proportional to 1,029,030.07, 1,420,555.13 and 723,368.47
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Solution
The fourth proportional to 1,029,030.07, 1,420,555.13 and 723,368.47 is: 998,595.49
Step by Step Solution
- Step 1: Write the proportion equation
1,029,030.07 : 1,420,555.13 = 723,368.47 : x - Step 2: Convert to fraction form
1,029,030.07/1,420,555.13 = 723,368.47/x - Step 3: Cross multiply
1,029,030.07x = 1,420,555.13 × 723,368.47 - Step 4: Simplify right side
1,029,030.07x = 1,027,584,790,938.75 - Step 5: Solve for x
x = 1,027,584,790,938.75/1,029,030.07 - Step 6: Final answer
x = 998,595.49
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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.