Home / 1,178,309.60-1,767,464.40-679,263.20

Finding the Fourth Proportional to 1,178,309.60, 1,767,464.40 and 679,263.20

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Solution

The fourth proportional to 1,178,309.60, 1,767,464.40 and 679,263.20 is: 1,018,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,309.60 : 1,767,464.40 = 679,263.20 : x
  2. Step 2: Convert to fraction form
    1,178,309.60/1,767,464.40 = 679,263.20/x
  3. Step 3: Cross multiply
    1,178,309.60x = 1,767,464.40 × 679,263.20
  4. Step 4: Simplify right side
    1,178,309.60x = 1,200,573,524,230.08
  5. Step 5: Solve for x
    x = 1,200,573,524,230.08/1,178,309.60
  6. Step 6: Final answer
    x = 1,018,894.80

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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.