Home / 1,588,322.40-2,381,608.80-640,622.40

Finding the Fourth Proportional to 1,588,322.40, 2,381,608.80 and 640,622.40

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Solution

The fourth proportional to 1,588,322.40, 2,381,608.80 and 640,622.40 is: 960,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,322.40 : 2,381,608.80 = 640,622.40 : x
  2. Step 2: Convert to fraction form
    1,588,322.40/2,381,608.80 = 640,622.40/x
  3. Step 3: Cross multiply
    1,588,322.40x = 2,381,608.80 × 640,622.40
  4. Step 4: Simplify right side
    1,588,322.40x = 1,525,711,945,317.12
  5. Step 5: Solve for x
    x = 1,525,711,945,317.12/1,588,322.40
  6. Step 6: Final answer
    x = 960,580.76

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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.