Home / 1,247,035.80-1,720,908.64-674,075.96

Finding the Fourth Proportional to 1,247,035.80, 1,720,908.64 and 674,075.96

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Solution

The fourth proportional to 1,247,035.80, 1,720,908.64 and 674,075.96 is: 930,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,035.80 : 1,720,908.64 = 674,075.96 : x
  2. Step 2: Convert to fraction form
    1,247,035.80/1,720,908.64 = 674,075.96/x
  3. Step 3: Cross multiply
    1,247,035.80x = 1,720,908.64 × 674,075.96
  4. Step 4: Simplify right side
    1,247,035.80x = 1,160,023,143,580.29
  5. Step 5: Solve for x
    x = 1,160,023,143,580.29/1,247,035.80
  6. Step 6: Final answer
    x = 930,224.41

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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.