Home / 1,000,630.40-1,501,226.20-402,011.92

Finding the Fourth Proportional to 1,000,630.40, 1,501,226.20 and 402,011.92

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Solution

The fourth proportional to 1,000,630.40, 1,501,226.20 and 402,011.92 is: 603,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,630.40 : 1,501,226.20 = 402,011.92 : x
  2. Step 2: Convert to fraction form
    1,000,630.40/1,501,226.20 = 402,011.92/x
  3. Step 3: Cross multiply
    1,000,630.40x = 1,501,226.20 × 402,011.92
  4. Step 4: Simplify right side
    1,000,630.40x = 603,510,827,016.30
  5. Step 5: Solve for x
    x = 603,510,827,016.30/1,000,630.40
  6. Step 6: Final answer
    x = 603,130.61

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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.