Home / 1,303,748.88-1,799,256.60-730,789.20

Finding the Fourth Proportional to 1,303,748.88, 1,799,256.60 and 730,789.20

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Solution

The fourth proportional to 1,303,748.88, 1,799,256.60 and 730,789.20 is: 1,008,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,748.88 : 1,799,256.60 = 730,789.20 : x
  2. Step 2: Convert to fraction form
    1,303,748.88/1,799,256.60 = 730,789.20/x
  3. Step 3: Cross multiply
    1,303,748.88x = 1,799,256.60 × 730,789.20
  4. Step 4: Simplify right side
    1,303,748.88x = 1,314,877,291,308.72
  5. Step 5: Solve for x
    x = 1,314,877,291,308.72/1,303,748.88
  6. Step 6: Final answer
    x = 1,008,535.70

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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.