Home / 1,619,294.74-2,429,782.74-660,453.80

Finding the Fourth Proportional to 1,619,294.74, 2,429,782.74 and 660,453.80

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Solution

The fourth proportional to 1,619,294.74, 2,429,782.74 and 660,453.80 is: 991,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,294.74 : 2,429,782.74 = 660,453.80 : x
  2. Step 2: Convert to fraction form
    1,619,294.74/2,429,782.74 = 660,453.80/x
  3. Step 3: Cross multiply
    1,619,294.74x = 2,429,782.74 × 660,453.80
  4. Step 4: Simplify right side
    1,619,294.74x = 1,604,759,243,807.41
  5. Step 5: Solve for x
    x = 1,604,759,243,807.41/1,619,294.74
  6. Step 6: Final answer
    x = 991,023.56

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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.