Finding the Fourth Proportional to 1,069,020, 1,475,271.42 and 610,125.36
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Solution
The fourth proportional to 1,069,020, 1,475,271.42 and 610,125.36 is: 841,986.59
Step by Step Solution
- Step 1: Write the proportion equation
1,069,020 : 1,475,271.42 = 610,125.36 : x - Step 2: Convert to fraction form
1,069,020/1,475,271.42 = 610,125.36/x - Step 3: Cross multiply
1,069,020x = 1,475,271.42 × 610,125.36 - Step 4: Simplify right side
1,069,020x = 900,100,506,225.21 - Step 5: Solve for x
x = 900,100,506,225.21/1,069,020 - Step 6: Final answer
x = 841,986.59
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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.