Finding the Fourth Proportional to 1,438,432.08, 2,156,980.68 and 839,565.60
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Solution
The fourth proportional to 1,438,432.08, 2,156,980.68 and 839,565.60 is: 1,258,958.84
Step by Step Solution
- Step 1: Write the proportion equation
1,438,432.08 : 2,156,980.68 = 839,565.60 : x - Step 2: Convert to fraction form
1,438,432.08/2,156,980.68 = 839,565.60/x - Step 3: Cross multiply
1,438,432.08x = 2,156,980.68 × 839,565.60 - Step 4: Simplify right side
1,438,432.08x = 1,810,926,778,792.61 - Step 5: Solve for x
x = 1,810,926,778,792.61/1,438,432.08 - Step 6: Final answer
x = 1,258,958.84
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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.