Home / 1,187,417.75-1,783,509.03-708,579.56

Finding the Fourth Proportional to 1,187,417.75, 1,783,509.03 and 708,579.56

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Solution

The fourth proportional to 1,187,417.75, 1,783,509.03 and 708,579.56 is: 1,064,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,417.75 : 1,783,509.03 = 708,579.56 : x
  2. Step 2: Convert to fraction form
    1,187,417.75/1,783,509.03 = 708,579.56/x
  3. Step 3: Cross multiply
    1,187,417.75x = 1,783,509.03 × 708,579.56
  4. Step 4: Simplify right side
    1,187,417.75x = 1,263,758,048,192.20
  5. Step 5: Solve for x
    x = 1,263,758,048,192.20/1,187,417.75
  6. Step 6: Final answer
    x = 1,064,291.02

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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.