Home / 1,358,230.60-2,037,345.90-1,211,264.20

Finding the Fourth Proportional to 1,358,230.60, 2,037,345.90 and 1,211,264.20

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Solution

The fourth proportional to 1,358,230.60, 2,037,345.90 and 1,211,264.20 is: 1,816,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,230.60 : 2,037,345.90 = 1,211,264.20 : x
  2. Step 2: Convert to fraction form
    1,358,230.60/2,037,345.90 = 1,211,264.20/x
  3. Step 3: Cross multiply
    1,358,230.60x = 2,037,345.90 × 1,211,264.20
  4. Step 4: Simplify right side
    1,358,230.60x = 2,467,764,151,686.78
  5. Step 5: Solve for x
    x = 2,467,764,151,686.78/1,358,230.60
  6. Step 6: Final answer
    x = 1,816,896.30

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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.