Finding the Fourth Proportional to 1,249,739.60, 1,724,637.20 and 676,779.62
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Solution
The fourth proportional to 1,249,739.60, 1,724,637.20 and 676,779.62 is: 933,954.00
Step by Step Solution
- Step 1: Write the proportion equation
1,249,739.60 : 1,724,637.20 = 676,779.62 : x - Step 2: Convert to fraction form
1,249,739.60/1,724,637.20 = 676,779.62/x - Step 3: Cross multiply
1,249,739.60x = 1,724,637.20 × 676,779.62 - Step 4: Simplify right side
1,249,739.60x = 1,167,199,296,846.78 - Step 5: Solve for x
x = 1,167,199,296,846.78/1,249,739.60 - Step 6: Final answer
x = 933,954.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.