Home / 1,154,420.51-1,593,102.46-645,122.89

Finding the Fourth Proportional to 1,154,420.51, 1,593,102.46 and 645,122.89

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Solution

The fourth proportional to 1,154,420.51, 1,593,102.46 and 645,122.89 is: 890,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,420.51 : 1,593,102.46 = 645,122.89 : x
  2. Step 2: Convert to fraction form
    1,154,420.51/1,593,102.46 = 645,122.89/x
  3. Step 3: Cross multiply
    1,154,420.51x = 1,593,102.46 × 645,122.89
  4. Step 4: Simplify right side
    1,154,420.51x = 1,027,746,856,708.60
  5. Step 5: Solve for x
    x = 1,027,746,856,708.60/1,154,420.51
  6. Step 6: Final answer
    x = 890,270.79

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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.