Home / 1,655,866.90-2,483,800.55-518,717.72

Finding the Fourth Proportional to 1,655,866.90, 2,483,800.55 and 518,717.72

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Solution

The fourth proportional to 1,655,866.90, 2,483,800.55 and 518,717.72 is: 778,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,866.90 : 2,483,800.55 = 518,717.72 : x
  2. Step 2: Convert to fraction form
    1,655,866.90/2,483,800.55 = 518,717.72/x
  3. Step 3: Cross multiply
    1,655,866.90x = 2,483,800.55 × 518,717.72
  4. Step 4: Simplify right side
    1,655,866.90x = 1,288,391,349,820.47
  5. Step 5: Solve for x
    x = 1,288,391,349,820.47/1,655,866.90
  6. Step 6: Final answer
    x = 778,076.64

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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.