Finding the Fourth Proportional to 1,117,904.84, 1,539,291.84 and 842,662.52
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Solution
The fourth proportional to 1,117,904.84, 1,539,291.84 and 842,662.52 is: 1,160,298.71
Step by Step Solution
- Step 1: Write the proportion equation
1,117,904.84 : 1,539,291.84 = 842,662.52 : x - Step 2: Convert to fraction form
1,117,904.84/1,539,291.84 = 842,662.52/x - Step 3: Cross multiply
1,117,904.84x = 1,539,291.84 × 842,662.52 - Step 4: Simplify right side
1,117,904.84x = 1,297,103,540,909.84 - Step 5: Solve for x
x = 1,297,103,540,909.84/1,117,904.84 - Step 6: Final answer
x = 1,160,298.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.