Home / 1,121,211.07-1,681,756.30-552,024.75

Finding the Fourth Proportional to 1,121,211.07, 1,681,756.30 and 552,024.75

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Solution

The fourth proportional to 1,121,211.07, 1,681,756.30 and 552,024.75 is: 828,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,211.07 : 1,681,756.30 = 552,024.75 : x
  2. Step 2: Convert to fraction form
    1,121,211.07/1,681,756.30 = 552,024.75/x
  3. Step 3: Cross multiply
    1,121,211.07x = 1,681,756.30 × 552,024.75
  4. Step 4: Simplify right side
    1,121,211.07x = 928,371,101,068.43
  5. Step 5: Solve for x
    x = 928,371,101,068.43/1,121,211.07
  6. Step 6: Final answer
    x = 828,007.43

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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.