Finding the Fourth Proportional to 1,228,267.20, 1,843,435.99 and 518,804.40
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Solution
The fourth proportional to 1,228,267.20, 1,843,435.99 and 518,804.40 is: 778,643.85
Step by Step Solution
- Step 1: Write the proportion equation
1,228,267.20 : 1,843,435.99 = 518,804.40 : x - Step 2: Convert to fraction form
1,228,267.20/1,843,435.99 = 518,804.40/x - Step 3: Cross multiply
1,228,267.20x = 1,843,435.99 × 518,804.40 - Step 4: Simplify right side
1,228,267.20x = 956,382,710,291.75 - Step 5: Solve for x
x = 956,382,710,291.75/1,228,267.20 - Step 6: Final answer
x = 778,643.85
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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.