Home / 1,262,699.48-1,742,461.26-689,629.88

Finding the Fourth Proportional to 1,262,699.48, 1,742,461.26 and 689,629.88

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Solution

The fourth proportional to 1,262,699.48, 1,742,461.26 and 689,629.88 is: 951,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,699.48 : 1,742,461.26 = 689,629.88 : x
  2. Step 2: Convert to fraction form
    1,262,699.48/1,742,461.26 = 689,629.88/x
  3. Step 3: Cross multiply
    1,262,699.48x = 1,742,461.26 × 689,629.88
  4. Step 4: Simplify right side
    1,262,699.48x = 1,201,653,349,638.45
  5. Step 5: Solve for x
    x = 1,201,653,349,638.45/1,262,699.48
  6. Step 6: Final answer
    x = 951,654.27

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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.