Home / 1,154,424.74-1,593,078.56-645,225.56

Finding the Fourth Proportional to 1,154,424.74, 1,593,078.56 and 645,225.56

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Solution

The fourth proportional to 1,154,424.74, 1,593,078.56 and 645,225.56 is: 890,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,424.74 : 1,593,078.56 = 645,225.56 : x
  2. Step 2: Convert to fraction form
    1,154,424.74/1,593,078.56 = 645,225.56/x
  3. Step 3: Cross multiply
    1,154,424.74x = 1,593,078.56 × 645,225.56
  4. Step 4: Simplify right side
    1,154,424.74x = 1,027,895,005,999.99
  5. Step 5: Solve for x
    x = 1,027,895,005,999.99/1,154,424.74
  6. Step 6: Final answer
    x = 890,395.86

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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.