Home / 1,702,139.70-2,553,209.55-1,223,842.80

Finding the Fourth Proportional to 1,702,139.70, 2,553,209.55 and 1,223,842.80

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Solution

The fourth proportional to 1,702,139.70, 2,553,209.55 and 1,223,842.80 is: 1,835,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,139.70 : 2,553,209.55 = 1,223,842.80 : x
  2. Step 2: Convert to fraction form
    1,702,139.70/2,553,209.55 = 1,223,842.80/x
  3. Step 3: Cross multiply
    1,702,139.70x = 2,553,209.55 × 1,223,842.80
  4. Step 4: Simplify right side
    1,702,139.70x = 3,124,727,124,658.74
  5. Step 5: Solve for x
    x = 3,124,727,124,658.74/1,702,139.70
  6. Step 6: Final answer
    x = 1,835,764.20

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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.