Home / 1,742,808.48-2,405,301.23-978,862.02

Finding the Fourth Proportional to 1,742,808.48, 2,405,301.23 and 978,862.02

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Solution

The fourth proportional to 1,742,808.48, 2,405,301.23 and 978,862.02 is: 1,350,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,808.48 : 2,405,301.23 = 978,862.02 : x
  2. Step 2: Convert to fraction form
    1,742,808.48/2,405,301.23 = 978,862.02/x
  3. Step 3: Cross multiply
    1,742,808.48x = 2,405,301.23 × 978,862.02
  4. Step 4: Simplify right side
    1,742,808.48x = 2,354,458,023,153.44
  5. Step 5: Solve for x
    x = 2,354,458,023,153.44/1,742,808.48
  6. Step 6: Final answer
    x = 1,350,956.26

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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.