Home / 1,392,862.56-2,089,884.35-761,038.26

Finding the Fourth Proportional to 1,392,862.56, 2,089,884.35 and 761,038.26

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Solution

The fourth proportional to 1,392,862.56, 2,089,884.35 and 761,038.26 is: 1,141,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,862.56 : 2,089,884.35 = 761,038.26 : x
  2. Step 2: Convert to fraction form
    1,392,862.56/2,089,884.35 = 761,038.26/x
  3. Step 3: Cross multiply
    1,392,862.56x = 2,089,884.35 × 761,038.26
  4. Step 4: Simplify right side
    1,392,862.56x = 1,590,481,949,325.23
  5. Step 5: Solve for x
    x = 1,590,481,949,325.23/1,392,862.56
  6. Step 6: Final answer
    x = 1,141,880.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.