Home / 1,303,784.18-1,799,216.50-730,824.35

Finding the Fourth Proportional to 1,303,784.18, 1,799,216.50 and 730,824.35

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Solution

The fourth proportional to 1,303,784.18, 1,799,216.50 and 730,824.35 is: 1,008,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,784.18 : 1,799,216.50 = 730,824.35 : x
  2. Step 2: Convert to fraction form
    1,303,784.18/1,799,216.50 = 730,824.35/x
  3. Step 3: Cross multiply
    1,303,784.18x = 1,799,216.50 × 730,824.35
  4. Step 4: Simplify right side
    1,303,784.18x = 1,314,911,224,729.22
  5. Step 5: Solve for x
    x = 1,314,911,224,729.22/1,303,784.18
  6. Step 6: Final answer
    x = 1,008,534.43

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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.