Finding the Fourth Proportional to 1,357,497.84, 1,873,379.35 and 745,663.41
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Solution
The fourth proportional to 1,357,497.84, 1,873,379.35 and 745,663.41 is: 1,029,033.27
Step by Step Solution
- Step 1: Write the proportion equation
1,357,497.84 : 1,873,379.35 = 745,663.41 : x - Step 2: Convert to fraction form
1,357,497.84/1,873,379.35 = 745,663.41/x - Step 3: Cross multiply
1,357,497.84x = 1,873,379.35 × 745,663.41 - Step 4: Simplify right side
1,357,497.84x = 1,396,910,441,119.45 - Step 5: Solve for x
x = 1,396,910,441,119.45/1,357,497.84 - Step 6: Final answer
x = 1,029,033.27
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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.