Finding the Fourth Proportional to 1,445,257.64, 2,167,177.07 and 714,937.05
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Solution
The fourth proportional to 1,445,257.64, 2,167,177.07 and 714,937.05 is: 1,072,054.65
Step by Step Solution
- Step 1: Write the proportion equation
1,445,257.64 : 2,167,177.07 = 714,937.05 : x - Step 2: Convert to fraction form
1,445,257.64/2,167,177.07 = 714,937.05/x - Step 3: Cross multiply
1,445,257.64x = 2,167,177.07 × 714,937.05 - Step 4: Simplify right side
1,445,257.64x = 1,549,395,166,842.87 - Step 5: Solve for x
x = 1,549,395,166,842.87/1,445,257.64 - Step 6: Final answer
x = 1,072,054.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.