Home / 1,291,394.40-1,937,149.20-493,058.40

Finding the Fourth Proportional to 1,291,394.40, 1,937,149.20 and 493,058.40

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Solution

The fourth proportional to 1,291,394.40, 1,937,149.20 and 493,058.40 is: 739,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,394.40 : 1,937,149.20 = 493,058.40 : x
  2. Step 2: Convert to fraction form
    1,291,394.40/1,937,149.20 = 493,058.40/x
  3. Step 3: Cross multiply
    1,291,394.40x = 1,937,149.20 × 493,058.40
  4. Step 4: Simplify right side
    1,291,394.40x = 955,127,685,113.28
  5. Step 5: Solve for x
    x = 955,127,685,113.28/1,291,394.40
  6. Step 6: Final answer
    x = 739,609.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.