Home / 1,254,688.20-1,879,958.70-1,068,064.20

Finding the Fourth Proportional to 1,254,688.20, 1,879,958.70 and 1,068,064.20

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Solution

The fourth proportional to 1,254,688.20, 1,879,958.70 and 1,068,064.20 is: 1,600,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,688.20 : 1,879,958.70 = 1,068,064.20 : x
  2. Step 2: Convert to fraction form
    1,254,688.20/1,879,958.70 = 1,068,064.20/x
  3. Step 3: Cross multiply
    1,254,688.20x = 1,879,958.70 × 1,068,064.20
  4. Step 4: Simplify right side
    1,254,688.20x = 2,007,916,584,948.54
  5. Step 5: Solve for x
    x = 2,007,916,584,948.54/1,254,688.20
  6. Step 6: Final answer
    x = 1,600,331.13

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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.