Home / 1,995,905.48-2,995,988.72-859,230.45

Finding the Fourth Proportional to 1,995,905.48, 2,995,988.72 and 859,230.45

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Solution

The fourth proportional to 1,995,905.48, 2,995,988.72 and 859,230.45 is: 1,289,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,905.48 : 2,995,988.72 = 859,230.45 : x
  2. Step 2: Convert to fraction form
    1,995,905.48/2,995,988.72 = 859,230.45/x
  3. Step 3: Cross multiply
    1,995,905.48x = 2,995,988.72 × 859,230.45
  4. Step 4: Simplify right side
    1,995,905.48x = 2,574,244,731,784.37
  5. Step 5: Solve for x
    x = 2,574,244,731,784.37/1,995,905.48
  6. Step 6: Final answer
    x = 1,289,762.85

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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.