Home / 1,798,144.85-2,697,397.68-518,784

Finding the Fourth Proportional to 1,798,144.85, 2,697,397.68 and 518,784

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Solution

The fourth proportional to 1,798,144.85, 2,697,397.68 and 518,784 is: 778,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,144.85 : 2,697,397.68 = 518,784 : x
  2. Step 2: Convert to fraction form
    1,798,144.85/2,697,397.68 = 518,784/x
  3. Step 3: Cross multiply
    1,798,144.85x = 2,697,397.68 × 518,784
  4. Step 4: Simplify right side
    1,798,144.85x = 1,399,366,755,427.20
  5. Step 5: Solve for x
    x = 1,399,366,755,427.20/1,798,144.85
  6. Step 6: Final answer
    x = 778,228.05

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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.