Home / 1,098,931.80-1,648,634.52-340,758.03

Finding the Fourth Proportional to 1,098,931.80, 1,648,634.52 and 340,758.03

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Solution

The fourth proportional to 1,098,931.80, 1,648,634.52 and 340,758.03 is: 511,210.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,931.80 : 1,648,634.52 = 340,758.03 : x
  2. Step 2: Convert to fraction form
    1,098,931.80/1,648,634.52 = 340,758.03/x
  3. Step 3: Cross multiply
    1,098,931.80x = 1,648,634.52 × 340,758.03
  4. Step 4: Simplify right side
    1,098,931.80x = 561,785,451,225.20
  5. Step 5: Solve for x
    x = 561,785,451,225.20/1,098,931.80
  6. Step 6: Final answer
    x = 511,210.48

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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.