Home / 1,101,001.05-1,651,501.58-1,021,284.90

Finding the Fourth Proportional to 1,101,001.05, 1,651,501.58 and 1,021,284.90

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Solution

The fourth proportional to 1,101,001.05, 1,651,501.58 and 1,021,284.90 is: 1,531,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,001.05 : 1,651,501.58 = 1,021,284.90 : x
  2. Step 2: Convert to fraction form
    1,101,001.05/1,651,501.58 = 1,021,284.90/x
  3. Step 3: Cross multiply
    1,101,001.05x = 1,651,501.58 × 1,021,284.90
  4. Step 4: Simplify right side
    1,101,001.05x = 1,686,653,620,873.72
  5. Step 5: Solve for x
    x = 1,686,653,620,873.72/1,101,001.05
  6. Step 6: Final answer
    x = 1,531,927.35

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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.