Home / 1,143,509.94-1,578,056.04-634,245.12

Finding the Fourth Proportional to 1,143,509.94, 1,578,056.04 and 634,245.12

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Solution

The fourth proportional to 1,143,509.94, 1,578,056.04 and 634,245.12 is: 875,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,509.94 : 1,578,056.04 = 634,245.12 : x
  2. Step 2: Convert to fraction form
    1,143,509.94/1,578,056.04 = 634,245.12/x
  3. Step 3: Cross multiply
    1,143,509.94x = 1,578,056.04 × 634,245.12
  4. Step 4: Simplify right side
    1,143,509.94x = 1,000,874,342,456.52
  5. Step 5: Solve for x
    x = 1,000,874,342,456.52/1,143,509.94
  6. Step 6: Final answer
    x = 875,265.10

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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.