Home / 1,375,764.13-1,898,779.89-802,802.53

Finding the Fourth Proportional to 1,375,764.13, 1,898,779.89 and 802,802.53

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Solution

The fourth proportional to 1,375,764.13, 1,898,779.89 and 802,802.53 is: 1,107,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,764.13 : 1,898,779.89 = 802,802.53 : x
  2. Step 2: Convert to fraction form
    1,375,764.13/1,898,779.89 = 802,802.53/x
  3. Step 3: Cross multiply
    1,375,764.13x = 1,898,779.89 × 802,802.53
  4. Step 4: Simplify right side
    1,375,764.13x = 1,524,345,299,605.12
  5. Step 5: Solve for x
    x = 1,524,345,299,605.12/1,375,764.13
  6. Step 6: Final answer
    x = 1,107,999.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.