Finding the Fourth Proportional to 1,072,764.86, 1,480,430.67 and 589,374.68
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Solution
The fourth proportional to 1,072,764.86, 1,480,430.67 and 589,374.68 is: 813,345.39
Step by Step Solution
- Step 1: Write the proportion equation
1,072,764.86 : 1,480,430.67 = 589,374.68 : x - Step 2: Convert to fraction form
1,072,764.86/1,480,430.67 = 589,374.68/x - Step 3: Cross multiply
1,072,764.86x = 1,480,430.67 × 589,374.68 - Step 4: Simplify right side
1,072,764.86x = 872,528,352,393.44 - Step 5: Solve for x
x = 872,528,352,393.44/1,072,764.86 - Step 6: Final answer
x = 813,345.39
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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.