Home / 1,161,626.31-1,603,273.80-742,254.03

Finding the Fourth Proportional to 1,161,626.31, 1,603,273.80 and 742,254.03

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Solution

The fourth proportional to 1,161,626.31, 1,603,273.80 and 742,254.03 is: 1,024,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,626.31 : 1,603,273.80 = 742,254.03 : x
  2. Step 2: Convert to fraction form
    1,161,626.31/1,603,273.80 = 742,254.03/x
  3. Step 3: Cross multiply
    1,161,626.31x = 1,603,273.80 × 742,254.03
  4. Step 4: Simplify right side
    1,161,626.31x = 1,190,036,439,243.41
  5. Step 5: Solve for x
    x = 1,190,036,439,243.41/1,161,626.31
  6. Step 6: Final answer
    x = 1,024,457.20

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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.