Finding the Fourth Proportional to 1,288,908, 1,778,693.99 and 708,168.58
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Solution
The fourth proportional to 1,288,908, 1,778,693.99 and 708,168.58 is: 977,273.16
Step by Step Solution
- Step 1: Write the proportion equation
1,288,908 : 1,778,693.99 = 708,168.58 : x - Step 2: Convert to fraction form
1,288,908/1,778,693.99 = 708,168.58/x - Step 3: Cross multiply
1,288,908x = 1,778,693.99 × 708,168.58 - Step 4: Simplify right side
1,288,908x = 1,259,615,189,165.26 - Step 5: Solve for x
x = 1,259,615,189,165.26/1,288,908 - Step 6: Final answer
x = 977,273.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.