Home / 1,427,485.20-2,139,916.47-617,362.92

Finding the Fourth Proportional to 1,427,485.20, 2,139,916.47 and 617,362.92

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Solution

The fourth proportional to 1,427,485.20, 2,139,916.47 and 617,362.92 is: 925,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,485.20 : 2,139,916.47 = 617,362.92 : x
  2. Step 2: Convert to fraction form
    1,427,485.20/2,139,916.47 = 617,362.92/x
  3. Step 3: Cross multiply
    1,427,485.20x = 2,139,916.47 × 617,362.92
  4. Step 4: Simplify right side
    1,427,485.20x = 1,321,105,080,475.29
  5. Step 5: Solve for x
    x = 1,321,105,080,475.29/1,427,485.20
  6. Step 6: Final answer
    x = 925,477.25

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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.