Home / 1,281,537.90-1,768,502.84-700,762.88

Finding the Fourth Proportional to 1,281,537.90, 1,768,502.84 and 700,762.88

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Solution

The fourth proportional to 1,281,537.90, 1,768,502.84 and 700,762.88 is: 967,042.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,537.90 : 1,768,502.84 = 700,762.88 : x
  2. Step 2: Convert to fraction form
    1,281,537.90/1,768,502.84 = 700,762.88/x
  3. Step 3: Cross multiply
    1,281,537.90x = 1,768,502.84 × 700,762.88
  4. Step 4: Simplify right side
    1,281,537.90x = 1,239,301,143,446.58
  5. Step 5: Solve for x
    x = 1,239,301,143,446.58/1,281,537.90
  6. Step 6: Final answer
    x = 967,042.13

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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.