Home / 1,652,961.86-2,478,479.42-640,901.50

Finding the Fourth Proportional to 1,652,961.86, 2,478,479.42 and 640,901.50

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Solution

The fourth proportional to 1,652,961.86, 2,478,479.42 and 640,901.50 is: 960,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,961.86 : 2,478,479.42 = 640,901.50 : x
  2. Step 2: Convert to fraction form
    1,652,961.86/2,478,479.42 = 640,901.50/x
  3. Step 3: Cross multiply
    1,652,961.86x = 2,478,479.42 × 640,901.50
  4. Step 4: Simplify right side
    1,652,961.86x = 1,588,461,172,659.74
  5. Step 5: Solve for x
    x = 1,588,461,172,659.74/1,652,961.86
  6. Step 6: Final answer
    x = 960,978.72

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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.