Home / 1,756,792.12-2,423,399.36-1,021,665.90

Finding the Fourth Proportional to 1,756,792.12, 2,423,399.36 and 1,021,665.90

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Solution

The fourth proportional to 1,756,792.12, 2,423,399.36 and 1,021,665.90 is: 1,409,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,792.12 : 2,423,399.36 = 1,021,665.90 : x
  2. Step 2: Convert to fraction form
    1,756,792.12/2,423,399.36 = 1,021,665.90/x
  3. Step 3: Cross multiply
    1,756,792.12x = 2,423,399.36 × 1,021,665.90
  4. Step 4: Simplify right side
    1,756,792.12x = 2,475,904,488,193.82
  5. Step 5: Solve for x
    x = 2,475,904,488,193.82/1,756,792.12
  6. Step 6: Final answer
    x = 1,409,332.65

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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.