Home / 1,262,404.20-1,742,119.74-718,539.98

Finding the Fourth Proportional to 1,262,404.20, 1,742,119.74 and 718,539.98

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Solution

The fourth proportional to 1,262,404.20, 1,742,119.74 and 718,539.98 is: 991,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,404.20 : 1,742,119.74 = 718,539.98 : x
  2. Step 2: Convert to fraction form
    1,262,404.20/1,742,119.74 = 718,539.98/x
  3. Step 3: Cross multiply
    1,262,404.20x = 1,742,119.74 × 718,539.98
  4. Step 4: Simplify right side
    1,262,404.20x = 1,251,782,674,426.61
  5. Step 5: Solve for x
    x = 1,251,782,674,426.61/1,262,404.20
  6. Step 6: Final answer
    x = 991,586.27

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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.