Finding the Fourth Proportional to 1,240,357.74, 1,711,588.59 and 750,509.70
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Solution
The fourth proportional to 1,240,357.74, 1,711,588.59 and 750,509.70 is: 1,035,639.80
Step by Step Solution
- Step 1: Write the proportion equation
1,240,357.74 : 1,711,588.59 = 750,509.70 : x - Step 2: Convert to fraction form
1,240,357.74/1,711,588.59 = 750,509.70/x - Step 3: Cross multiply
1,240,357.74x = 1,711,588.59 × 750,509.70 - Step 4: Simplify right side
1,240,357.74x = 1,284,563,839,204.32 - Step 5: Solve for x
x = 1,284,563,839,204.32/1,240,357.74 - Step 6: Final answer
x = 1,035,639.80
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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.