Home / 1,410,007.66-2,115,797.14-761,570.74

Finding the Fourth Proportional to 1,410,007.66, 2,115,797.14 and 761,570.74

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Solution

The fourth proportional to 1,410,007.66, 2,115,797.14 and 761,570.74 is: 1,142,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,007.66 : 2,115,797.14 = 761,570.74 : x
  2. Step 2: Convert to fraction form
    1,410,007.66/2,115,797.14 = 761,570.74/x
  3. Step 3: Cross multiply
    1,410,007.66x = 2,115,797.14 × 761,570.74
  4. Step 4: Simplify right side
    1,410,007.66x = 1,611,329,193,599.68
  5. Step 5: Solve for x
    x = 1,611,329,193,599.68/1,410,007.66
  6. Step 6: Final answer
    x = 1,142,780.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.