Home / 1,303,739.13-1,799,243.15-730,779.45

Finding the Fourth Proportional to 1,303,739.13, 1,799,243.15 and 730,779.45

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Solution

The fourth proportional to 1,303,739.13, 1,799,243.15 and 730,779.45 is: 1,008,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,739.13 : 1,799,243.15 = 730,779.45 : x
  2. Step 2: Convert to fraction form
    1,303,739.13/1,799,243.15 = 730,779.45/x
  3. Step 3: Cross multiply
    1,303,739.13x = 1,799,243.15 × 730,779.45
  4. Step 4: Simplify right side
    1,303,739.13x = 1,314,849,919,573.27
  5. Step 5: Solve for x
    x = 1,314,849,919,573.27/1,303,739.13
  6. Step 6: Final answer
    x = 1,008,522.25

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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.