Home / 1,121,210.07-1,681,754.81-552,023.75

Finding the Fourth Proportional to 1,121,210.07, 1,681,754.81 and 552,023.75

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Solution

The fourth proportional to 1,121,210.07, 1,681,754.81 and 552,023.75 is: 828,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,210.07 : 1,681,754.81 = 552,023.75 : x
  2. Step 2: Convert to fraction form
    1,121,210.07/1,681,754.81 = 552,023.75/x
  3. Step 3: Cross multiply
    1,121,210.07x = 1,681,754.81 × 552,023.75
  4. Step 4: Simplify right side
    1,121,210.07x = 928,368,585,627.85
  5. Step 5: Solve for x
    x = 928,368,585,627.85/1,121,210.07
  6. Step 6: Final answer
    x = 828,005.93

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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.