Home / 1,798,143.03-2,697,394.95-518,782.19

Finding the Fourth Proportional to 1,798,143.03, 2,697,394.95 and 518,782.19

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Solution

The fourth proportional to 1,798,143.03, 2,697,394.95 and 518,782.19 is: 778,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,143.03 : 2,697,394.95 = 518,782.19 : x
  2. Step 2: Convert to fraction form
    1,798,143.03/2,697,394.95 = 518,782.19/x
  3. Step 3: Cross multiply
    1,798,143.03x = 2,697,394.95 × 518,782.19
  4. Step 4: Simplify right side
    1,798,143.03x = 1,399,360,445,968.97
  5. Step 5: Solve for x
    x = 1,399,360,445,968.97/1,798,143.03
  6. Step 6: Final answer
    x = 778,225.33

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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.