Home / 1,143,673.92-1,578,459.30-634,540.32

Finding the Fourth Proportional to 1,143,673.92, 1,578,459.30 and 634,540.32

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Solution

The fourth proportional to 1,143,673.92, 1,578,459.30 and 634,540.32 is: 875,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,673.92 : 1,578,459.30 = 634,540.32 : x
  2. Step 2: Convert to fraction form
    1,143,673.92/1,578,459.30 = 634,540.32/x
  3. Step 3: Cross multiply
    1,143,673.92x = 1,578,459.30 × 634,540.32
  4. Step 4: Simplify right side
    1,143,673.92x = 1,001,596,069,328.98
  5. Step 5: Solve for x
    x = 1,001,596,069,328.98/1,143,673.92
  6. Step 6: Final answer
    x = 875,770.66

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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.