Home / 1,039,749.38-1,556,075.67-871,459.70

Finding the Fourth Proportional to 1,039,749.38, 1,556,075.67 and 871,459.70

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Solution

The fourth proportional to 1,039,749.38, 1,556,075.67 and 871,459.70 is: 1,304,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,749.38 : 1,556,075.67 = 871,459.70 : x
  2. Step 2: Convert to fraction form
    1,039,749.38/1,556,075.67 = 871,459.70/x
  3. Step 3: Cross multiply
    1,039,749.38x = 1,556,075.67 × 871,459.70
  4. Step 4: Simplify right side
    1,039,749.38x = 1,356,057,236,555.50
  5. Step 5: Solve for x
    x = 1,356,057,236,555.50/1,039,749.38
  6. Step 6: Final answer
    x = 1,304,215.48

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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.