Home / 1,295,200.70-1,942,801.05-1,058,810.30

Finding the Fourth Proportional to 1,295,200.70, 1,942,801.05 and 1,058,810.30

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Solution

The fourth proportional to 1,295,200.70, 1,942,801.05 and 1,058,810.30 is: 1,588,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,200.70 : 1,942,801.05 = 1,058,810.30 : x
  2. Step 2: Convert to fraction form
    1,295,200.70/1,942,801.05 = 1,058,810.30/x
  3. Step 3: Cross multiply
    1,295,200.70x = 1,942,801.05 × 1,058,810.30
  4. Step 4: Simplify right side
    1,295,200.70x = 2,057,057,762,590.82
  5. Step 5: Solve for x
    x = 2,057,057,762,590.82/1,295,200.70
  6. Step 6: Final answer
    x = 1,588,215.45

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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.