Home / 1,107,389.60-1,662,927.60-609,111.20

Finding the Fourth Proportional to 1,107,389.60, 1,662,927.60 and 609,111.20

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Solution

The fourth proportional to 1,107,389.60, 1,662,927.60 and 609,111.20 is: 914,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,389.60 : 1,662,927.60 = 609,111.20 : x
  2. Step 2: Convert to fraction form
    1,107,389.60/1,662,927.60 = 609,111.20/x
  3. Step 3: Cross multiply
    1,107,389.60x = 1,662,927.60 × 609,111.20
  4. Step 4: Simplify right side
    1,107,389.60x = 1,012,907,825,949.12
  5. Step 5: Solve for x
    x = 1,012,907,825,949.12/1,107,389.60
  6. Step 6: Final answer
    x = 914,680.64

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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.