Home / 1,767,920.10-2,650,130.55-868,625.70

Finding the Fourth Proportional to 1,767,920.10, 2,650,130.55 and 868,625.70

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Solution

The fourth proportional to 1,767,920.10, 2,650,130.55 and 868,625.70 is: 1,302,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,920.10 : 2,650,130.55 = 868,625.70 : x
  2. Step 2: Convert to fraction form
    1,767,920.10/2,650,130.55 = 868,625.70/x
  3. Step 3: Cross multiply
    1,767,920.10x = 2,650,130.55 × 868,625.70
  4. Step 4: Simplify right side
    1,767,920.10x = 2,301,971,504,085.13
  5. Step 5: Solve for x
    x = 2,301,971,504,085.13/1,767,920.10
  6. Step 6: Final answer
    x = 1,302,078.93

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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.