Home / 1,255,711.81-1,882,619.20-647,848.93

Finding the Fourth Proportional to 1,255,711.81, 1,882,619.20 and 647,848.93

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Solution

The fourth proportional to 1,255,711.81, 1,882,619.20 and 647,848.93 is: 971,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,711.81 : 1,882,619.20 = 647,848.93 : x
  2. Step 2: Convert to fraction form
    1,255,711.81/1,882,619.20 = 647,848.93/x
  3. Step 3: Cross multiply
    1,255,711.81x = 1,882,619.20 × 647,848.93
  4. Step 4: Simplify right side
    1,255,711.81x = 1,219,652,821,665.12
  5. Step 5: Solve for x
    x = 1,219,652,821,665.12/1,255,711.81
  6. Step 6: Final answer
    x = 971,284.03

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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.