Home / 1,185,390.87-1,776,290.22-784,595.79

Finding the Fourth Proportional to 1,185,390.87, 1,776,290.22 and 784,595.79

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Solution

The fourth proportional to 1,185,390.87, 1,776,290.22 and 784,595.79 is: 1,175,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,390.87 : 1,776,290.22 = 784,595.79 : x
  2. Step 2: Convert to fraction form
    1,185,390.87/1,776,290.22 = 784,595.79/x
  3. Step 3: Cross multiply
    1,185,390.87x = 1,776,290.22 × 784,595.79
  4. Step 4: Simplify right side
    1,185,390.87x = 1,393,669,828,430.17
  5. Step 5: Solve for x
    x = 1,393,669,828,430.17/1,185,390.87
  6. Step 6: Final answer
    x = 1,175,704.88

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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.