Home / 1,262,735.66-1,742,510.07-689,665.12

Finding the Fourth Proportional to 1,262,735.66, 1,742,510.07 and 689,665.12

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Solution

The fourth proportional to 1,262,735.66, 1,742,510.07 and 689,665.12 is: 951,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,735.66 : 1,742,510.07 = 689,665.12 : x
  2. Step 2: Convert to fraction form
    1,262,735.66/1,742,510.07 = 689,665.12/x
  3. Step 3: Cross multiply
    1,262,735.66x = 1,742,510.07 × 689,665.12
  4. Step 4: Simplify right side
    1,262,735.66x = 1,201,748,412,171.48
  5. Step 5: Solve for x
    x = 1,201,748,412,171.48/1,262,735.66
  6. Step 6: Final answer
    x = 951,702.28

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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.