Home / 1,262,483.03-1,742,264.30-689,550.23

Finding the Fourth Proportional to 1,262,483.03, 1,742,264.30 and 689,550.23

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Solution

The fourth proportional to 1,262,483.03, 1,742,264.30 and 689,550.23 is: 951,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,483.03 : 1,742,264.30 = 689,550.23 : x
  2. Step 2: Convert to fraction form
    1,262,483.03/1,742,264.30 = 689,550.23/x
  3. Step 3: Cross multiply
    1,262,483.03x = 1,742,264.30 × 689,550.23
  4. Step 4: Simplify right side
    1,262,483.03x = 1,201,378,748,785.79
  5. Step 5: Solve for x
    x = 1,201,378,748,785.79/1,262,483.03
  6. Step 6: Final answer
    x = 951,599.92

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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.