Home / 1,453,565.81-2,180,182.62-388,690.90

Finding the Fourth Proportional to 1,453,565.81, 2,180,182.62 and 388,690.90

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Solution

The fourth proportional to 1,453,565.81, 2,180,182.62 and 388,690.90 is: 582,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,565.81 : 2,180,182.62 = 388,690.90 : x
  2. Step 2: Convert to fraction form
    1,453,565.81/2,180,182.62 = 388,690.90/x
  3. Step 3: Cross multiply
    1,453,565.81x = 2,180,182.62 × 388,690.90
  4. Step 4: Simplify right side
    1,453,565.81x = 847,417,148,914.98
  5. Step 5: Solve for x
    x = 847,417,148,914.98/1,453,565.81
  6. Step 6: Final answer
    x = 582,991.94

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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.