Home / 1,116,995.40-1,675,457.43-358,833.78

Finding the Fourth Proportional to 1,116,995.40, 1,675,457.43 and 358,833.78

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Solution

The fourth proportional to 1,116,995.40, 1,675,457.43 and 358,833.78 is: 538,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,995.40 : 1,675,457.43 = 358,833.78 : x
  2. Step 2: Convert to fraction form
    1,116,995.40/1,675,457.43 = 358,833.78/x
  3. Step 3: Cross multiply
    1,116,995.40x = 1,675,457.43 × 358,833.78
  4. Step 4: Simplify right side
    1,116,995.40x = 601,210,722,835.99
  5. Step 5: Solve for x
    x = 601,210,722,835.99/1,116,995.40
  6. Step 6: Final answer
    x = 538,239.21

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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.