Home / 1,655,867.90-2,483,802.05-518,718.72

Finding the Fourth Proportional to 1,655,867.90, 2,483,802.05 and 518,718.72

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Solution

The fourth proportional to 1,655,867.90, 2,483,802.05 and 518,718.72 is: 778,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,867.90 : 2,483,802.05 = 518,718.72 : x
  2. Step 2: Convert to fraction form
    1,655,867.90/2,483,802.05 = 518,718.72/x
  3. Step 3: Cross multiply
    1,655,867.90x = 2,483,802.05 × 518,718.72
  4. Step 4: Simplify right side
    1,655,867.90x = 1,288,394,620,109.38
  5. Step 5: Solve for x
    x = 1,288,394,620,109.38/1,655,867.90
  6. Step 6: Final answer
    x = 778,078.14

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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.