Home / 1,218,075.71-1,827,365.70-365,112.90

Finding the Fourth Proportional to 1,218,075.71, 1,827,365.70 and 365,112.90

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Solution

The fourth proportional to 1,218,075.71, 1,827,365.70 and 365,112.90 is: 547,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,075.71 : 1,827,365.70 = 365,112.90 : x
  2. Step 2: Convert to fraction form
    1,218,075.71/1,827,365.70 = 365,112.90/x
  3. Step 3: Cross multiply
    1,218,075.71x = 1,827,365.70 × 365,112.90
  4. Step 4: Simplify right side
    1,218,075.71x = 667,194,791,456.70
  5. Step 5: Solve for x
    x = 667,194,791,456.70/1,218,075.71
  6. Step 6: Final answer
    x = 547,744.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.