Home / 1,719,620.74-2,579,455.32-654,720.94

Finding the Fourth Proportional to 1,719,620.74, 2,579,455.32 and 654,720.94

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Solution

The fourth proportional to 1,719,620.74, 2,579,455.32 and 654,720.94 is: 982,090.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,620.74 : 2,579,455.32 = 654,720.94 : x
  2. Step 2: Convert to fraction form
    1,719,620.74/2,579,455.32 = 654,720.94/x
  3. Step 3: Cross multiply
    1,719,620.74x = 2,579,455.32 × 654,720.94
  4. Step 4: Simplify right side
    1,719,620.74x = 1,688,823,411,798.40
  5. Step 5: Solve for x
    x = 1,688,823,411,798.40/1,719,620.74
  6. Step 6: Final answer
    x = 982,090.63

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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.