Home / 1,605,123.30-2,407,794.30-510,821.40

Finding the Fourth Proportional to 1,605,123.30, 2,407,794.30 and 510,821.40

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Solution

The fourth proportional to 1,605,123.30, 2,407,794.30 and 510,821.40 is: 766,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,123.30 : 2,407,794.30 = 510,821.40 : x
  2. Step 2: Convert to fraction form
    1,605,123.30/2,407,794.30 = 510,821.40/x
  3. Step 3: Cross multiply
    1,605,123.30x = 2,407,794.30 × 510,821.40
  4. Step 4: Simplify right side
    1,605,123.30x = 1,229,952,855,238.02
  5. Step 5: Solve for x
    x = 1,229,952,855,238.02/1,605,123.30
  6. Step 6: Final answer
    x = 766,266.90

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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.