Home / 1,262,432.77-1,742,168.33-718,603.54

Finding the Fourth Proportional to 1,262,432.77, 1,742,168.33 and 718,603.54

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Solution

The fourth proportional to 1,262,432.77, 1,742,168.33 and 718,603.54 is: 991,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,432.77 : 1,742,168.33 = 718,603.54 : x
  2. Step 2: Convert to fraction form
    1,262,432.77/1,742,168.33 = 718,603.54/x
  3. Step 3: Cross multiply
    1,262,432.77x = 1,742,168.33 × 718,603.54
  4. Step 4: Simplify right side
    1,262,432.77x = 1,251,928,329,213.89
  5. Step 5: Solve for x
    x = 1,251,928,329,213.89/1,262,432.77
  6. Step 6: Final answer
    x = 991,679.21

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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.