Finding the Fourth Proportional to 1,334,918.88, 2,000,978.64 and 624,348
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Solution
The fourth proportional to 1,334,918.88, 2,000,978.64 and 624,348 is: 935,867.36
Step by Step Solution
- Step 1: Write the proportion equation
1,334,918.88 : 2,000,978.64 = 624,348 : x - Step 2: Convert to fraction form
1,334,918.88/2,000,978.64 = 624,348/x - Step 3: Cross multiply
1,334,918.88x = 2,000,978.64 × 624,348 - Step 4: Simplify right side
1,334,918.88x = 1,249,307,011,926.72 - Step 5: Solve for x
x = 1,249,307,011,926.72/1,334,918.88 - Step 6: Final answer
x = 935,867.36
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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.