Home / 1,507,709.36-2,079,945.28-926,404.76

Finding the Fourth Proportional to 1,507,709.36, 2,079,945.28 and 926,404.76

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Solution

The fourth proportional to 1,507,709.36, 2,079,945.28 and 926,404.76 is: 1,278,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,709.36 : 2,079,945.28 = 926,404.76 : x
  2. Step 2: Convert to fraction form
    1,507,709.36/2,079,945.28 = 926,404.76/x
  3. Step 3: Cross multiply
    1,507,709.36x = 2,079,945.28 × 926,404.76
  4. Step 4: Simplify right side
    1,507,709.36x = 1,926,871,207,931.53
  5. Step 5: Solve for x
    x = 1,926,871,207,931.53/1,507,709.36
  6. Step 6: Final answer
    x = 1,278,012.37

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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.