Home / 1,206,341.67-1,663,829.03-819,455.40

Finding the Fourth Proportional to 1,206,341.67, 1,663,829.03 and 819,455.40

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Solution

The fourth proportional to 1,206,341.67, 1,663,829.03 and 819,455.40 is: 1,130,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,341.67 : 1,663,829.03 = 819,455.40 : x
  2. Step 2: Convert to fraction form
    1,206,341.67/1,663,829.03 = 819,455.40/x
  3. Step 3: Cross multiply
    1,206,341.67x = 1,663,829.03 × 819,455.40
  4. Step 4: Simplify right side
    1,206,341.67x = 1,363,433,674,991.12
  5. Step 5: Solve for x
    x = 1,363,433,674,991.12/1,206,341.67
  6. Step 6: Final answer
    x = 1,130,221.82

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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.