Home / 1,159,008.30-1,738,512.45-781,094.70

Finding the Fourth Proportional to 1,159,008.30, 1,738,512.45 and 781,094.70

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Solution

The fourth proportional to 1,159,008.30, 1,738,512.45 and 781,094.70 is: 1,171,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,008.30 : 1,738,512.45 = 781,094.70 : x
  2. Step 2: Convert to fraction form
    1,159,008.30/1,738,512.45 = 781,094.70/x
  3. Step 3: Cross multiply
    1,159,008.30x = 1,738,512.45 × 781,094.70
  4. Step 4: Simplify right side
    1,159,008.30x = 1,357,942,860,579.01
  5. Step 5: Solve for x
    x = 1,357,942,860,579.01/1,159,008.30
  6. Step 6: Final answer
    x = 1,171,642.05

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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.