Home / 1,300,698.60-1,950,950.70-542,344.20

Finding the Fourth Proportional to 1,300,698.60, 1,950,950.70 and 542,344.20

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Solution

The fourth proportional to 1,300,698.60, 1,950,950.70 and 542,344.20 is: 813,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,698.60 : 1,950,950.70 = 542,344.20 : x
  2. Step 2: Convert to fraction form
    1,300,698.60/1,950,950.70 = 542,344.20/x
  3. Step 3: Cross multiply
    1,300,698.60x = 1,950,950.70 × 542,344.20
  4. Step 4: Simplify right side
    1,300,698.60x = 1,058,086,796,630.94
  5. Step 5: Solve for x
    x = 1,058,086,796,630.94/1,300,698.60
  6. Step 6: Final answer
    x = 813,475.77

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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.