Home / 1,154,538.24-1,593,265.08-645,240.60

Finding the Fourth Proportional to 1,154,538.24, 1,593,265.08 and 645,240.60

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Solution

The fourth proportional to 1,154,538.24, 1,593,265.08 and 645,240.60 is: 890,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,538.24 : 1,593,265.08 = 645,240.60 : x
  2. Step 2: Convert to fraction form
    1,154,538.24/1,593,265.08 = 645,240.60/x
  3. Step 3: Cross multiply
    1,154,538.24x = 1,593,265.08 × 645,240.60
  4. Step 4: Simplify right side
    1,154,538.24x = 1,028,039,316,178.25
  5. Step 5: Solve for x
    x = 1,028,039,316,178.25/1,154,538.24
  6. Step 6: Final answer
    x = 890,433.32

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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.