Home / 1,174,283.21-1,620,483.21-690,879.47

Finding the Fourth Proportional to 1,174,283.21, 1,620,483.21 and 690,879.47

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Solution

The fourth proportional to 1,174,283.21, 1,620,483.21 and 690,879.47 is: 953,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,283.21 : 1,620,483.21 = 690,879.47 : x
  2. Step 2: Convert to fraction form
    1,174,283.21/1,620,483.21 = 690,879.47/x
  3. Step 3: Cross multiply
    1,174,283.21x = 1,620,483.21 × 690,879.47
  4. Step 4: Simplify right side
    1,174,283.21x = 1,119,558,573,166.28
  5. Step 5: Solve for x
    x = 1,119,558,573,166.28/1,174,283.21
  6. Step 6: Final answer
    x = 953,397.42

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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.