Home / 1,439,158.72-2,158,590.14-479,510.68

Finding the Fourth Proportional to 1,439,158.72, 2,158,590.14 and 479,510.68

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Solution

The fourth proportional to 1,439,158.72, 2,158,590.14 and 479,510.68 is: 719,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,158.72 : 2,158,590.14 = 479,510.68 : x
  2. Step 2: Convert to fraction form
    1,439,158.72/2,158,590.14 = 479,510.68/x
  3. Step 3: Cross multiply
    1,439,158.72x = 2,158,590.14 × 479,510.68
  4. Step 4: Simplify right side
    1,439,158.72x = 1,035,067,021,675.00
  5. Step 5: Solve for x
    x = 1,035,067,021,675.00/1,439,158.72
  6. Step 6: Final answer
    x = 719,216.73

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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.