Finding the Fourth Proportional to 1,422,807.18, 1,963,459.62 and 778,239.96
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Solution
The fourth proportional to 1,422,807.18, 1,963,459.62 and 778,239.96 is: 1,073,963.33
Step by Step Solution
- Step 1: Write the proportion equation
1,422,807.18 : 1,963,459.62 = 778,239.96 : x - Step 2: Convert to fraction form
1,422,807.18/1,963,459.62 = 778,239.96/x - Step 3: Cross multiply
1,422,807.18x = 1,963,459.62 × 778,239.96 - Step 4: Simplify right side
1,422,807.18x = 1,528,042,736,130.42 - Step 5: Solve for x
x = 1,528,042,736,130.42/1,422,807.18 - Step 6: Final answer
x = 1,073,963.33
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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.