Home / 1,356,161.56-1,871,038.38-774,967.12

Finding the Fourth Proportional to 1,356,161.56, 1,871,038.38 and 774,967.12

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Solution

The fourth proportional to 1,356,161.56, 1,871,038.38 and 774,967.12 is: 1,069,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,161.56 : 1,871,038.38 = 774,967.12 : x
  2. Step 2: Convert to fraction form
    1,356,161.56/1,871,038.38 = 774,967.12/x
  3. Step 3: Cross multiply
    1,356,161.56x = 1,871,038.38 × 774,967.12
  4. Step 4: Simplify right side
    1,356,161.56x = 1,449,993,224,758.07
  5. Step 5: Solve for x
    x = 1,449,993,224,758.07/1,356,161.56
  6. Step 6: Final answer
    x = 1,069,189.15

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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.