Home / 1,158,728.20-1,736,018.70-992,840.20

Finding the Fourth Proportional to 1,158,728.20, 1,736,018.70 and 992,840.20

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Solution

The fourth proportional to 1,158,728.20, 1,736,018.70 and 992,840.20 is: 1,487,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,728.20 : 1,736,018.70 = 992,840.20 : x
  2. Step 2: Convert to fraction form
    1,158,728.20/1,736,018.70 = 992,840.20/x
  3. Step 3: Cross multiply
    1,158,728.20x = 1,736,018.70 × 992,840.20
  4. Step 4: Simplify right side
    1,158,728.20x = 1,723,589,153,311.74
  5. Step 5: Solve for x
    x = 1,723,589,153,311.74/1,158,728.20
  6. Step 6: Final answer
    x = 1,487,483.56

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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.