Finding the Fourth Proportional to 1,070,588.67, 1,605,374.52 and 621,447.31
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Solution
The fourth proportional to 1,070,588.67, 1,605,374.52 and 621,447.31 is: 931,875.80
Step by Step Solution
- Step 1: Write the proportion equation
1,070,588.67 : 1,605,374.52 = 621,447.31 : x - Step 2: Convert to fraction form
1,070,588.67/1,605,374.52 = 621,447.31/x - Step 3: Cross multiply
1,070,588.67x = 1,605,374.52 × 621,447.31 - Step 4: Simplify right side
1,070,588.67x = 997,655,676,996.54 - Step 5: Solve for x
x = 997,655,676,996.54/1,070,588.67 - Step 6: Final answer
x = 931,875.80
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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.