Home / 1,899,376.40-2,849,053.72-479,426.64

Finding the Fourth Proportional to 1,899,376.40, 2,849,053.72 and 479,426.64

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Solution

The fourth proportional to 1,899,376.40, 2,849,053.72 and 479,426.64 is: 719,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,376.40 : 2,849,053.72 = 479,426.64 : x
  2. Step 2: Convert to fraction form
    1,899,376.40/2,849,053.72 = 479,426.64/x
  3. Step 3: Cross multiply
    1,899,376.40x = 2,849,053.72 × 479,426.64
  4. Step 4: Simplify right side
    1,899,376.40x = 1,365,912,252,159.10
  5. Step 5: Solve for x
    x = 1,365,912,252,159.10/1,899,376.40
  6. Step 6: Final answer
    x = 719,137.21

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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.