Home / 1,226,678.40-1,841,767.20-929,246.40

Finding the Fourth Proportional to 1,226,678.40, 1,841,767.20 and 929,246.40

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Solution

The fourth proportional to 1,226,678.40, 1,841,767.20 and 929,246.40 is: 1,395,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,678.40 : 1,841,767.20 = 929,246.40 : x
  2. Step 2: Convert to fraction form
    1,226,678.40/1,841,767.20 = 929,246.40/x
  3. Step 3: Cross multiply
    1,226,678.40x = 1,841,767.20 × 929,246.40
  4. Step 4: Simplify right side
    1,226,678.40x = 1,711,455,540,238.08
  5. Step 5: Solve for x
    x = 1,711,455,540,238.08/1,226,678.40
  6. Step 6: Final answer
    x = 1,395,194.98

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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.