Home / 1,211,567.42-1,817,567.30-402,000.37

Finding the Fourth Proportional to 1,211,567.42, 1,817,567.30 and 402,000.37

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Solution

The fourth proportional to 1,211,567.42, 1,817,567.30 and 402,000.37 is: 603,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,567.42 : 1,817,567.30 = 402,000.37 : x
  2. Step 2: Convert to fraction form
    1,211,567.42/1,817,567.30 = 402,000.37/x
  3. Step 3: Cross multiply
    1,211,567.42x = 1,817,567.30 × 402,000.37
  4. Step 4: Simplify right side
    1,211,567.42x = 730,662,723,560.98
  5. Step 5: Solve for x
    x = 730,662,723,560.98/1,211,567.42
  6. Step 6: Final answer
    x = 603,072.28

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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.