Home / 1,111,655.74-1,533,519.09-703,070.68

Finding the Fourth Proportional to 1,111,655.74, 1,533,519.09 and 703,070.68

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Solution

The fourth proportional to 1,111,655.74, 1,533,519.09 and 703,070.68 is: 969,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,655.74 : 1,533,519.09 = 703,070.68 : x
  2. Step 2: Convert to fraction form
    1,111,655.74/1,533,519.09 = 703,070.68/x
  3. Step 3: Cross multiply
    1,111,655.74x = 1,533,519.09 × 703,070.68
  4. Step 4: Simplify right side
    1,111,655.74x = 1,078,172,309,399.28
  5. Step 5: Solve for x
    x = 1,078,172,309,399.28/1,111,655.74
  6. Step 6: Final answer
    x = 969,879.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.