Finding the Fourth Proportional to 1,185,551.03, 1,778,331.17 and 286,991.30
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Solution
The fourth proportional to 1,185,551.03, 1,778,331.17 and 286,991.30 is: 430,488.07
Step by Step Solution
- Step 1: Write the proportion equation
1,185,551.03 : 1,778,331.17 = 286,991.30 : x - Step 2: Convert to fraction form
1,185,551.03/1,778,331.17 = 286,991.30/x - Step 3: Cross multiply
1,185,551.03x = 1,778,331.17 × 286,991.30 - Step 4: Simplify right side
1,185,551.03x = 510,365,579,472.13 - Step 5: Solve for x
x = 510,365,579,472.13/1,185,551.03 - Step 6: Final answer
x = 430,488.07
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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.