Home / 1,178,155.51-1,767,197.93-325,279.21

Finding the Fourth Proportional to 1,178,155.51, 1,767,197.93 and 325,279.21

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Solution

The fourth proportional to 1,178,155.51, 1,767,197.93 and 325,279.21 is: 487,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,155.51 : 1,767,197.93 = 325,279.21 : x
  2. Step 2: Convert to fraction form
    1,178,155.51/1,767,197.93 = 325,279.21/x
  3. Step 3: Cross multiply
    1,178,155.51x = 1,767,197.93 × 325,279.21
  4. Step 4: Simplify right side
    1,178,155.51x = 574,832,746,584.04
  5. Step 5: Solve for x
    x = 574,832,746,584.04/1,178,155.51
  6. Step 6: Final answer
    x = 487,909.06

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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.