Home / 1,685,557.70-2,528,664.60-487,519.10

Finding the Fourth Proportional to 1,685,557.70, 2,528,664.60 and 487,519.10

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Solution

The fourth proportional to 1,685,557.70, 2,528,664.60 and 487,519.10 is: 731,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,557.70 : 2,528,664.60 = 487,519.10 : x
  2. Step 2: Convert to fraction form
    1,685,557.70/2,528,664.60 = 487,519.10/x
  3. Step 3: Cross multiply
    1,685,557.70x = 2,528,664.60 × 487,519.10
  4. Step 4: Simplify right side
    1,685,557.70x = 1,232,772,289,993.86
  5. Step 5: Solve for x
    x = 1,232,772,289,993.86/1,685,557.70
  6. Step 6: Final answer
    x = 731,373.53

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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.