Home / 1,042,005.20-1,562,960.85-434,543.37

Finding the Fourth Proportional to 1,042,005.20, 1,562,960.85 and 434,543.37

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Solution

The fourth proportional to 1,042,005.20, 1,562,960.85 and 434,543.37 is: 651,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,005.20 : 1,562,960.85 = 434,543.37 : x
  2. Step 2: Convert to fraction form
    1,042,005.20/1,562,960.85 = 434,543.37/x
  3. Step 3: Cross multiply
    1,042,005.20x = 1,562,960.85 × 434,543.37
  4. Step 4: Simplify right side
    1,042,005.20x = 679,174,267,446.42
  5. Step 5: Solve for x
    x = 679,174,267,446.42/1,042,005.20
  6. Step 6: Final answer
    x = 651,795.47

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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.