Finding the Fourth Proportional to 1,349,077.10, 2,023,356.45 and 402,478.70
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Solution
The fourth proportional to 1,349,077.10, 2,023,356.45 and 402,478.70 is: 603,640.72
Step by Step Solution
- Step 1: Write the proportion equation
1,349,077.10 : 2,023,356.45 = 402,478.70 : x - Step 2: Convert to fraction form
1,349,077.10/2,023,356.45 = 402,478.70/x - Step 3: Cross multiply
1,349,077.10x = 2,023,356.45 × 402,478.70 - Step 4: Simplify right side
1,349,077.10x = 814,357,873,632.62 - Step 5: Solve for x
x = 814,357,873,632.62/1,349,077.10 - Step 6: Final answer
x = 603,640.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.