Home / 1,158,074.10-1,738,666.35-739,206.90

Finding the Fourth Proportional to 1,158,074.10, 1,738,666.35 and 739,206.90

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Solution

The fourth proportional to 1,158,074.10, 1,738,666.35 and 739,206.90 is: 1,109,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,074.10 : 1,738,666.35 = 739,206.90 : x
  2. Step 2: Convert to fraction form
    1,158,074.10/1,738,666.35 = 739,206.90/x
  3. Step 3: Cross multiply
    1,158,074.10x = 1,738,666.35 × 739,206.90
  4. Step 4: Simplify right side
    1,158,074.10x = 1,285,234,162,717.82
  5. Step 5: Solve for x
    x = 1,285,234,162,717.82/1,158,074.10
  6. Step 6: Final answer
    x = 1,109,803.05

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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.