Home / 1,557,947.12-2,150,325.74-913,574.90

Finding the Fourth Proportional to 1,557,947.12, 2,150,325.74 and 913,574.90

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Solution

The fourth proportional to 1,557,947.12, 2,150,325.74 and 913,574.90 is: 1,260,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,947.12 : 2,150,325.74 = 913,574.90 : x
  2. Step 2: Convert to fraction form
    1,557,947.12/2,150,325.74 = 913,574.90/x
  3. Step 3: Cross multiply
    1,557,947.12x = 2,150,325.74 × 913,574.90
  4. Step 4: Simplify right side
    1,557,947.12x = 1,964,483,633,571.57
  5. Step 5: Solve for x
    x = 1,964,483,633,571.57/1,557,947.12
  6. Step 6: Final answer
    x = 1,260,943.72

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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.