Home / 989,169.59-1,483,987.59-787,528.00

Finding the Fourth Proportional to 989,169.59, 1,483,987.59 and 787,528.00

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Solution

The fourth proportional to 989,169.59, 1,483,987.59 and 787,528.00 is: 1,181,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,169.59 : 1,483,987.59 = 787,528.00 : x
  2. Step 2: Convert to fraction form
    989,169.59/1,483,987.59 = 787,528.00/x
  3. Step 3: Cross multiply
    989,169.59x = 1,483,987.59 × 787,528.00
  4. Step 4: Simplify right side
    989,169.59x = 1,168,681,775,067.55
  5. Step 5: Solve for x
    x = 1,168,681,775,067.55/989,169.59
  6. Step 6: Final answer
    x = 1,181,477.67

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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.