Home / 1,154,439.24-1,593,098.64-645,240

Finding the Fourth Proportional to 1,154,439.24, 1,593,098.64 and 645,240

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Solution

The fourth proportional to 1,154,439.24, 1,593,098.64 and 645,240 is: 890,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,439.24 : 1,593,098.64 = 645,240 : x
  2. Step 2: Convert to fraction form
    1,154,439.24/1,593,098.64 = 645,240/x
  3. Step 3: Cross multiply
    1,154,439.24x = 1,593,098.64 × 645,240
  4. Step 4: Simplify right side
    1,154,439.24x = 1,027,930,966,473.60
  5. Step 5: Solve for x
    x = 1,027,930,966,473.60/1,154,439.24
  6. Step 6: Final answer
    x = 890,415.82

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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.