Home / 1,108,736.70-1,529,965-625,420.63

Finding the Fourth Proportional to 1,108,736.70, 1,529,965 and 625,420.63

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Solution

The fourth proportional to 1,108,736.70, 1,529,965 and 625,420.63 is: 863,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,736.70 : 1,529,965 = 625,420.63 : x
  2. Step 2: Convert to fraction form
    1,108,736.70/1,529,965 = 625,420.63/x
  3. Step 3: Cross multiply
    1,108,736.70x = 1,529,965 × 625,420.63
  4. Step 4: Simplify right side
    1,108,736.70x = 956,871,674,177.95
  5. Step 5: Solve for x
    x = 956,871,674,177.95/1,108,736.70
  6. Step 6: Final answer
    x = 863,028.77

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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.