Finding the Fourth Proportional to 1,352,970.58, 1,867,129.56 and 772,182.05
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Solution
The fourth proportional to 1,352,970.58, 1,867,129.56 and 772,182.05 is: 1,065,628.44
Step by Step Solution
- Step 1: Write the proportion equation
1,352,970.58 : 1,867,129.56 = 772,182.05 : x - Step 2: Convert to fraction form
1,352,970.58/1,867,129.56 = 772,182.05/x - Step 3: Cross multiply
1,352,970.58x = 1,867,129.56 × 772,182.05 - Step 4: Simplify right side
1,352,970.58x = 1,441,763,931,256.40 - Step 5: Solve for x
x = 1,441,763,931,256.40/1,352,970.58 - Step 6: Final answer
x = 1,065,628.44
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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.