Home / 1,436,939.15-2,155,459.64-357,457.32

Finding the Fourth Proportional to 1,436,939.15, 2,155,459.64 and 357,457.32

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Solution

The fourth proportional to 1,436,939.15, 2,155,459.64 and 357,457.32 is: 536,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,939.15 : 2,155,459.64 = 357,457.32 : x
  2. Step 2: Convert to fraction form
    1,436,939.15/2,155,459.64 = 357,457.32/x
  3. Step 3: Cross multiply
    1,436,939.15x = 2,155,459.64 × 357,457.32
  4. Step 4: Simplify right side
    1,436,939.15x = 770,484,824,495.28
  5. Step 5: Solve for x
    x = 770,484,824,495.28/1,436,939.15
  6. Step 6: Final answer
    x = 536,198.65

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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.