Home / 1,657,144.85-2,485,717.47-520,082.51

Finding the Fourth Proportional to 1,657,144.85, 2,485,717.47 and 520,082.51

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Solution

The fourth proportional to 1,657,144.85, 2,485,717.47 and 520,082.51 is: 780,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,144.85 : 2,485,717.47 = 520,082.51 : x
  2. Step 2: Convert to fraction form
    1,657,144.85/2,485,717.47 = 520,082.51/x
  3. Step 3: Cross multiply
    1,657,144.85x = 2,485,717.47 × 520,082.51
  4. Step 4: Simplify right side
    1,657,144.85x = 1,292,778,168,519.86
  5. Step 5: Solve for x
    x = 1,292,778,168,519.86/1,657,144.85
  6. Step 6: Final answer
    x = 780,123.82

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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.