Finding the Fourth Proportional to 1,069,120.40, 1,475,386.79 and 585,703.08
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Solution
The fourth proportional to 1,069,120.40, 1,475,386.79 and 585,703.08 is: 808,270.60
Step by Step Solution
- Step 1: Write the proportion equation
1,069,120.40 : 1,475,386.79 = 585,703.08 : x - Step 2: Convert to fraction form
1,069,120.40/1,475,386.79 = 585,703.08/x - Step 3: Cross multiply
1,069,120.40x = 1,475,386.79 × 585,703.08 - Step 4: Simplify right side
1,069,120.40x = 864,138,584,165.80 - Step 5: Solve for x
x = 864,138,584,165.80/1,069,120.40 - Step 6: Final answer
x = 808,270.60
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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.