Finding the Fourth Proportional to 1,565,762.40, 2,348,643.60 and 768,600.90
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Solution
The fourth proportional to 1,565,762.40, 2,348,643.60 and 768,600.90 is: 1,152,901.35
Step by Step Solution
- Step 1: Write the proportion equation
1,565,762.40 : 2,348,643.60 = 768,600.90 : x - Step 2: Convert to fraction form
1,565,762.40/2,348,643.60 = 768,600.90/x - Step 3: Cross multiply
1,565,762.40x = 2,348,643.60 × 768,600.90 - Step 4: Simplify right side
1,565,762.40x = 1,805,169,584,739.24 - Step 5: Solve for x
x = 1,805,169,584,739.24/1,565,762.40 - Step 6: Final answer
x = 1,152,901.35
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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.