Home / 1,143,439.60-1,578,043.56-634,306

Finding the Fourth Proportional to 1,143,439.60, 1,578,043.56 and 634,306

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Solution

The fourth proportional to 1,143,439.60, 1,578,043.56 and 634,306 is: 875,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,439.60 : 1,578,043.56 = 634,306 : x
  2. Step 2: Convert to fraction form
    1,143,439.60/1,578,043.56 = 634,306/x
  3. Step 3: Cross multiply
    1,143,439.60x = 1,578,043.56 × 634,306
  4. Step 4: Simplify right side
    1,143,439.60x = 1,000,962,498,369.36
  5. Step 5: Solve for x
    x = 1,000,962,498,369.36/1,143,439.60
  6. Step 6: Final answer
    x = 875,396.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.