Home / 1,768,918.40-2,651,822.40-1,059,228.80

Finding the Fourth Proportional to 1,768,918.40, 2,651,822.40 and 1,059,228.80

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Solution

The fourth proportional to 1,768,918.40, 2,651,822.40 and 1,059,228.80 is: 1,587,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,918.40 : 2,651,822.40 = 1,059,228.80 : x
  2. Step 2: Convert to fraction form
    1,768,918.40/2,651,822.40 = 1,059,228.80/x
  3. Step 3: Cross multiply
    1,768,918.40x = 2,651,822.40 × 1,059,228.80
  4. Step 4: Simplify right side
    1,768,918.40x = 2,808,886,658,565.12
  5. Step 5: Solve for x
    x = 2,808,886,658,565.12/1,768,918.40
  6. Step 6: Final answer
    x = 1,587,911.95

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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.