Home / 1,167,389.40-1,749,788.10-457,181.40

Finding the Fourth Proportional to 1,167,389.40, 1,749,788.10 and 457,181.40

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Solution

The fourth proportional to 1,167,389.40, 1,749,788.10 and 457,181.40 is: 685,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,389.40 : 1,749,788.10 = 457,181.40 : x
  2. Step 2: Convert to fraction form
    1,167,389.40/1,749,788.10 = 457,181.40/x
  3. Step 3: Cross multiply
    1,167,389.40x = 1,749,788.10 × 457,181.40
  4. Step 4: Simplify right side
    1,167,389.40x = 799,970,573,261.34
  5. Step 5: Solve for x
    x = 799,970,573,261.34/1,167,389.40
  6. Step 6: Final answer
    x = 685,264.55

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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.