Home / 1,389,752.90-2,085,320.55-548,332.10

Finding the Fourth Proportional to 1,389,752.90, 2,085,320.55 and 548,332.10

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Solution

The fourth proportional to 1,389,752.90, 2,085,320.55 and 548,332.10 is: 822,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,752.90 : 2,085,320.55 = 548,332.10 : x
  2. Step 2: Convert to fraction form
    1,389,752.90/2,085,320.55 = 548,332.10/x
  3. Step 3: Cross multiply
    1,389,752.90x = 2,085,320.55 × 548,332.10
  4. Step 4: Simplify right side
    1,389,752.90x = 1,143,448,196,354.66
  5. Step 5: Solve for x
    x = 1,143,448,196,354.66/1,389,752.90
  6. Step 6: Final answer
    x = 822,770.87

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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.