Home / 1,119,686.40-1,679,594.40-321,026.40

Finding the Fourth Proportional to 1,119,686.40, 1,679,594.40 and 321,026.40

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Solution

The fourth proportional to 1,119,686.40, 1,679,594.40 and 321,026.40 is: 481,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,686.40 : 1,679,594.40 = 321,026.40 : x
  2. Step 2: Convert to fraction form
    1,119,686.40/1,679,594.40 = 321,026.40/x
  3. Step 3: Cross multiply
    1,119,686.40x = 1,679,594.40 × 321,026.40
  4. Step 4: Simplify right side
    1,119,686.40x = 539,194,143,692.16
  5. Step 5: Solve for x
    x = 539,194,143,692.16/1,119,686.40
  6. Step 6: Final answer
    x = 481,558.18

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1.5x scale

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.