Finding the Fourth Proportional to 1,306,785.16, 1,803,356.58 and 733,875.40
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Solution
The fourth proportional to 1,306,785.16, 1,803,356.58 and 733,875.40 is: 1,012,744.15
Step by Step Solution
- Step 1: Write the proportion equation
1,306,785.16 : 1,803,356.58 = 733,875.40 : x - Step 2: Convert to fraction form
1,306,785.16/1,803,356.58 = 733,875.40/x - Step 3: Cross multiply
1,306,785.16x = 1,803,356.58 × 733,875.40 - Step 4: Simplify right side
1,306,785.16x = 1,323,439,031,490.13 - Step 5: Solve for x
x = 1,323,439,031,490.13/1,306,785.16 - Step 6: Final answer
x = 1,012,744.15
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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.