Home / 1,120,619.88-1,681,423.92-588,012.48

Finding the Fourth Proportional to 1,120,619.88, 1,681,423.92 and 588,012.48

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Solution

The fourth proportional to 1,120,619.88, 1,681,423.92 and 588,012.48 is: 882,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,619.88 : 1,681,423.92 = 588,012.48 : x
  2. Step 2: Convert to fraction form
    1,120,619.88/1,681,423.92 = 588,012.48/x
  3. Step 3: Cross multiply
    1,120,619.88x = 1,681,423.92 × 588,012.48
  4. Step 4: Simplify right side
    1,120,619.88x = 988,698,249,130.52
  5. Step 5: Solve for x
    x = 988,698,249,130.52/1,120,619.88
  6. Step 6: Final answer
    x = 882,277.98

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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.