Home / 1,458,069.61-2,012,232.78-813,503.76

Finding the Fourth Proportional to 1,458,069.61, 2,012,232.78 and 813,503.76

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Solution

The fourth proportional to 1,458,069.61, 2,012,232.78 and 813,503.76 is: 1,122,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,069.61 : 2,012,232.78 = 813,503.76 : x
  2. Step 2: Convert to fraction form
    1,458,069.61/2,012,232.78 = 813,503.76/x
  3. Step 3: Cross multiply
    1,458,069.61x = 2,012,232.78 × 813,503.76
  4. Step 4: Simplify right side
    1,458,069.61x = 1,636,958,932,525.25
  5. Step 5: Solve for x
    x = 1,636,958,932,525.25/1,458,069.61
  6. Step 6: Final answer
    x = 1,122,689.15

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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.