Home / 1,157,533.20-1,738,226.52-780,878.16

Finding the Fourth Proportional to 1,157,533.20, 1,738,226.52 and 780,878.16

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Solution

The fourth proportional to 1,157,533.20, 1,738,226.52 and 780,878.16 is: 1,172,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,533.20 : 1,738,226.52 = 780,878.16 : x
  2. Step 2: Convert to fraction form
    1,157,533.20/1,738,226.52 = 780,878.16/x
  3. Step 3: Cross multiply
    1,157,533.20x = 1,738,226.52 × 780,878.16
  4. Step 4: Simplify right side
    1,157,533.20x = 1,357,343,126,600.80
  5. Step 5: Solve for x
    x = 1,357,343,126,600.80/1,157,533.20
  6. Step 6: Final answer
    x = 1,172,617.02

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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.