Home / 1,109,110.80-1,664,443.80-710,720.40

Finding the Fourth Proportional to 1,109,110.80, 1,664,443.80 and 710,720.40

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Solution

The fourth proportional to 1,109,110.80, 1,664,443.80 and 710,720.40 is: 1,066,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,110.80 : 1,664,443.80 = 710,720.40 : x
  2. Step 2: Convert to fraction form
    1,109,110.80/1,664,443.80 = 710,720.40/x
  3. Step 3: Cross multiply
    1,109,110.80x = 1,664,443.80 × 710,720.40
  4. Step 4: Simplify right side
    1,109,110.80x = 1,182,954,163,313.52
  5. Step 5: Solve for x
    x = 1,182,954,163,313.52/1,109,110.80
  6. Step 6: Final answer
    x = 1,066,578.89

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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.