Home / 1,143,789.48-1,578,618.72-634,655.88

Finding the Fourth Proportional to 1,143,789.48, 1,578,618.72 and 634,655.88

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Solution

The fourth proportional to 1,143,789.48, 1,578,618.72 and 634,655.88 is: 875,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,789.48 : 1,578,618.72 = 634,655.88 : x
  2. Step 2: Convert to fraction form
    1,143,789.48/1,578,618.72 = 634,655.88/x
  3. Step 3: Cross multiply
    1,143,789.48x = 1,578,618.72 × 634,655.88
  4. Step 4: Simplify right side
    1,143,789.48x = 1,001,879,652,926.07
  5. Step 5: Solve for x
    x = 1,001,879,652,926.07/1,143,789.48
  6. Step 6: Final answer
    x = 875,930.12

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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.