Home / 1,507,904.60-2,261,638.20-442,835.60

Finding the Fourth Proportional to 1,507,904.60, 2,261,638.20 and 442,835.60

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Solution

The fourth proportional to 1,507,904.60, 2,261,638.20 and 442,835.60 is: 664,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,904.60 : 2,261,638.20 = 442,835.60 : x
  2. Step 2: Convert to fraction form
    1,507,904.60/2,261,638.20 = 442,835.60/x
  3. Step 3: Cross multiply
    1,507,904.60x = 2,261,638.20 × 442,835.60
  4. Step 4: Simplify right side
    1,507,904.60x = 1,001,533,909,279.92
  5. Step 5: Solve for x
    x = 1,001,533,909,279.92/1,507,904.60
  6. Step 6: Final answer
    x = 664,189.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.