Home / 1,154,424.20-1,593,107.55-645,126.57

Finding the Fourth Proportional to 1,154,424.20, 1,593,107.55 and 645,126.57

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Solution

The fourth proportional to 1,154,424.20, 1,593,107.55 and 645,126.57 is: 890,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,424.20 : 1,593,107.55 = 645,126.57 : x
  2. Step 2: Convert to fraction form
    1,154,424.20/1,593,107.55 = 645,126.57/x
  3. Step 3: Cross multiply
    1,154,424.20x = 1,593,107.55 × 645,126.57
  4. Step 4: Simplify right side
    1,154,424.20x = 1,027,756,009,372.60
  5. Step 5: Solve for x
    x = 1,027,756,009,372.60/1,154,424.20
  6. Step 6: Final answer
    x = 890,275.87

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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.