Home / 1,262,834.90-1,742,774.38-718,981.46

Finding the Fourth Proportional to 1,262,834.90, 1,742,774.38 and 718,981.46

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Solution

The fourth proportional to 1,262,834.90, 1,742,774.38 and 718,981.46 is: 992,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,834.90 : 1,742,774.38 = 718,981.46 : x
  2. Step 2: Convert to fraction form
    1,262,834.90/1,742,774.38 = 718,981.46/x
  3. Step 3: Cross multiply
    1,262,834.90x = 1,742,774.38 × 718,981.46
  4. Step 4: Simplify right side
    1,262,834.90x = 1,253,022,468,182.99
  5. Step 5: Solve for x
    x = 1,253,022,468,182.99/1,262,834.90
  6. Step 6: Final answer
    x = 992,229.84

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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.