Home / 1,640,558.10-2,460,509.10-787,628.10

Finding the Fourth Proportional to 1,640,558.10, 2,460,509.10 and 787,628.10

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Solution

The fourth proportional to 1,640,558.10, 2,460,509.10 and 787,628.10 is: 1,181,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,558.10 : 2,460,509.10 = 787,628.10 : x
  2. Step 2: Convert to fraction form
    1,640,558.10/2,460,509.10 = 787,628.10/x
  3. Step 3: Cross multiply
    1,640,558.10x = 2,460,509.10 × 787,628.10
  4. Step 4: Simplify right side
    1,640,558.10x = 1,937,966,107,465.71
  5. Step 5: Solve for x
    x = 1,937,966,107,465.71/1,640,558.10
  6. Step 6: Final answer
    x = 1,181,284.65

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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.