Home / 1,142,808.60-1,576,756.74-900,338.64

Finding the Fourth Proportional to 1,142,808.60, 1,576,756.74 and 900,338.64

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Solution

The fourth proportional to 1,142,808.60, 1,576,756.74 and 900,338.64 is: 1,242,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,808.60 : 1,576,756.74 = 900,338.64 : x
  2. Step 2: Convert to fraction form
    1,142,808.60/1,576,756.74 = 900,338.64/x
  3. Step 3: Cross multiply
    1,142,808.60x = 1,576,756.74 × 900,338.64
  4. Step 4: Simplify right side
    1,142,808.60x = 1,419,615,018,902.43
  5. Step 5: Solve for x
    x = 1,419,615,018,902.43/1,142,808.60
  6. Step 6: Final answer
    x = 1,242,215.90

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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.