Finding the Fourth Proportional to 1,378,774.04, 2,070,098.68 and 705,338.40
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Solution
The fourth proportional to 1,378,774.04, 2,070,098.68 and 705,338.40 is: 1,058,998.83
Step by Step Solution
- Step 1: Write the proportion equation
1,378,774.04 : 2,070,098.68 = 705,338.40 : x - Step 2: Convert to fraction form
1,378,774.04/2,070,098.68 = 705,338.40/x - Step 3: Cross multiply
1,378,774.04x = 2,070,098.68 × 705,338.40 - Step 4: Simplify right side
1,378,774.04x = 1,460,120,090,793.31 - Step 5: Solve for x
x = 1,460,120,090,793.31/1,378,774.04 - Step 6: Final answer
x = 1,058,998.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.