Home / 1,143,995.54-1,578,692.84-634,686.98

Finding the Fourth Proportional to 1,143,995.54, 1,578,692.84 and 634,686.98

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Solution

The fourth proportional to 1,143,995.54, 1,578,692.84 and 634,686.98 is: 875,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,995.54 : 1,578,692.84 = 634,686.98 : x
  2. Step 2: Convert to fraction form
    1,143,995.54/1,578,692.84 = 634,686.98/x
  3. Step 3: Cross multiply
    1,143,995.54x = 1,578,692.84 × 634,686.98
  4. Step 4: Simplify right side
    1,143,995.54x = 1,001,975,790,967.22
  5. Step 5: Solve for x
    x = 1,001,975,790,967.22/1,143,995.54
  6. Step 6: Final answer
    x = 875,856.38

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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.