Finding the Fourth Proportional to 1,240,888.05, 1,712,359.74 and 697,046.76
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Solution
The fourth proportional to 1,240,888.05, 1,712,359.74 and 697,046.76 is: 961,887.58
Step by Step Solution
- Step 1: Write the proportion equation
1,240,888.05 : 1,712,359.74 = 697,046.76 : x - Step 2: Convert to fraction form
1,240,888.05/1,712,359.74 = 697,046.76/x - Step 3: Cross multiply
1,240,888.05x = 1,712,359.74 × 697,046.76 - Step 4: Simplify right side
1,240,888.05x = 1,193,594,808,721.44 - Step 5: Solve for x
x = 1,193,594,808,721.44/1,240,888.05 - Step 6: Final answer
x = 961,887.58
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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.