Home / 1,587,296.48-2,380,931.76-640,652.72

Finding the Fourth Proportional to 1,587,296.48, 2,380,931.76 and 640,652.72

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Solution

The fourth proportional to 1,587,296.48, 2,380,931.76 and 640,652.72 is: 960,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,296.48 : 2,380,931.76 = 640,652.72 : x
  2. Step 2: Convert to fraction form
    1,587,296.48/2,380,931.76 = 640,652.72/x
  3. Step 3: Cross multiply
    1,587,296.48x = 2,380,931.76 × 640,652.72
  4. Step 4: Simplify right side
    1,587,296.48x = 1,525,350,408,178.39
  5. Step 5: Solve for x
    x = 1,525,350,408,178.39/1,587,296.48
  6. Step 6: Final answer
    x = 960,973.85

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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.