Home / 1,723,320.48-2,378,105.54-987,747.46

Finding the Fourth Proportional to 1,723,320.48, 2,378,105.54 and 987,747.46

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Solution

The fourth proportional to 1,723,320.48, 2,378,105.54 and 987,747.46 is: 1,363,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,320.48 : 2,378,105.54 = 987,747.46 : x
  2. Step 2: Convert to fraction form
    1,723,320.48/2,378,105.54 = 987,747.46/x
  3. Step 3: Cross multiply
    1,723,320.48x = 2,378,105.54 × 987,747.46
  4. Step 4: Simplify right side
    1,723,320.48x = 2,348,967,706,746.93
  5. Step 5: Solve for x
    x = 2,348,967,706,746.93/1,723,320.48
  6. Step 6: Final answer
    x = 1,363,047.52

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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.