Home / 1,262,484.03-1,742,265.68-689,551.23

Finding the Fourth Proportional to 1,262,484.03, 1,742,265.68 and 689,551.23

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Solution

The fourth proportional to 1,262,484.03, 1,742,265.68 and 689,551.23 is: 951,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,484.03 : 1,742,265.68 = 689,551.23 : x
  2. Step 2: Convert to fraction form
    1,262,484.03/1,742,265.68 = 689,551.23/x
  3. Step 3: Cross multiply
    1,262,484.03x = 1,742,265.68 × 689,551.23
  4. Step 4: Simplify right side
    1,262,484.03x = 1,201,381,442,630.79
  5. Step 5: Solve for x
    x = 1,201,381,442,630.79/1,262,484.03
  6. Step 6: Final answer
    x = 951,601.30

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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.