Home / 1,346,136.64-2,021,490.36-899,726.20

Finding the Fourth Proportional to 1,346,136.64, 2,021,490.36 and 899,726.20

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Solution

The fourth proportional to 1,346,136.64, 2,021,490.36 and 899,726.20 is: 1,351,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,136.64 : 2,021,490.36 = 899,726.20 : x
  2. Step 2: Convert to fraction form
    1,346,136.64/2,021,490.36 = 899,726.20/x
  3. Step 3: Cross multiply
    1,346,136.64x = 2,021,490.36 × 899,726.20
  4. Step 4: Simplify right side
    1,346,136.64x = 1,818,787,839,939.43
  5. Step 5: Solve for x
    x = 1,818,787,839,939.43/1,346,136.64
  6. Step 6: Final answer
    x = 1,351,116.81

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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.